Search a number
-
+
1070682121 = 1501371317
BaseRepresentation
bin111111110100010…
…101000000001001
32202121200021202101
4333310111000021
54143043311441
6254124233401
735350435135
oct7764250011
92677607671
101070682121
114aa410363
1225a69b861
13140a87322
14a22aa3c5
1563ee4231
hex3fd15009

1070682121 has 4 divisors (see below), whose sum is σ = 1070768452. Its totient is φ = 1070595792.

The previous prime is 1070682103. The next prime is 1070682161. The reversal of 1070682121 is 1212860701.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 521482896 + 549199225 = 22836^2 + 23435^2 .

It is a cyclic number.

It is not a de Polignac number, because 1070682121 - 25 = 1070682089 is a prime.

It is a super-2 number, since 2×10706821212 = 2292720408458117282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1070682121.

It is not an unprimeable number, because it can be changed into a prime (1070682161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20646 + ... + 50671.

It is an arithmetic number, because the mean of its divisors is an integer number (267692113).

Almost surely, 21070682121 is an apocalyptic number.

It is an amenable number.

1070682121 is a deficient number, since it is larger than the sum of its proper divisors (86331).

1070682121 is an equidigital number, since it uses as much as digits as its factorization.

1070682121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86330.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1070682121 is about 32721.2793301240. The cubic root of 1070682121 is about 1023.0264212642.

The spelling of 1070682121 in words is "one billion, seventy million, six hundred eighty-two thousand, one hundred twenty-one".

Divisors: 1 15013 71317 1070682121