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120214841 = 1083711093
BaseRepresentation
bin1110010101001…
…01010100111001
322101012112202112
413022211110321
5221233333331
615532342105
72656544405
oct712452471
9271175675
10120214841
116194920a
1234314935
131bba0956
1411d74105
15a84932b
hex72a5539

120214841 has 4 divisors (see below), whose sum is σ = 120236772. Its totient is φ = 120192912.

The previous prime is 120214819. The next prime is 120214847. The reversal of 120214841 is 148412021.

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 63664441 + 56550400 = 7979^2 + 7520^2 .

It is a cyclic number.

It is not a de Polignac number, because 120214841 - 26 = 120214777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120214847) 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, 5291 + ... + 16383.

It is an arithmetic number, because the mean of its divisors is an integer number (30059193).

Almost surely, 2120214841 is an apocalyptic number.

It is an amenable number.

120214841 is a deficient number, since it is larger than the sum of its proper divisors (21931).

120214841 is a wasteful number, since it uses less digits than its factorization.

120214841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21930.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 120214841 is about 10964.2528701230. The cubic root of 120214841 is about 493.5365968562.

Adding to 120214841 its reverse (148412021), we get a palindrome (268626862).

The spelling of 120214841 in words is "one hundred twenty million, two hundred fourteen thousand, eight hundred forty-one".

Divisors: 1 10837 11093 120214841