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1330124131 = 71247915227
BaseRepresentation
bin100111101001000…
…0001010101100011
310102200212022021201
41033102001111203
510211002433011
6335553102031
744650603630
oct11722012543
93380768251
101330124131
11622902a46
12311557917
131827545cb
14c8923187
157bb90cc1
hex4f481563

1330124131 has 8 divisors (see below), whose sum is σ = 1520363520. Its totient is φ = 1139940168.

The previous prime is 1330124101. The next prime is 1330124141. The reversal of 1330124131 is 1314210331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1330124131 is a prime.

It is a super-2 number, since 2×13301241312 = 3538460407737010322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330124099 and 1330124108.

It is not an unprimeable number, because it can be changed into a prime (1330124101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79740 + ... + 94966.

It is an arithmetic number, because the mean of its divisors is an integer number (190045440).

Almost surely, 21330124131 is an apocalyptic number.

1330124131 is a deficient number, since it is larger than the sum of its proper divisors (190239389).

1330124131 is a wasteful number, since it uses less digits than its factorization.

1330124131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27713.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1330124131 is about 36470.8668802923. The cubic root of 1330124131 is about 1099.7586608283.

Adding to 1330124131 its reverse (1314210331), we get a palindrome (2644334462).

The spelling of 1330124131 in words is "one billion, three hundred thirty million, one hundred twenty-four thousand, one hundred thirty-one".

Divisors: 1 7 12479 15227 87353 106589 190017733 1330124131