115072057 has 2 divisors, whose sum is σ = 115072058. Its totient is φ = 115072056.

The previous prime is 115072049. The next prime is 115072073. The reversal of 115072057 is 750270511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114682681 + 389376 = 10709^2 + 624^2 .

It is a cyclic number.

It is not a de Polignac number, because 115072057 - 2³ = 115072049 is a prime.

It is a super-2 number, since 2×115072057² = 26483156604422498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115072157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57536028 + 57536029.

It is an arithmetic number, because the mean of its divisors is an integer number (57536029).

Almost surely, 2^115072057 is an apocalyptic number.

It is an amenable number.

115072057 is a deficient number, since it is larger than the sum of its proper divisors (1).

115072057 is an equidigital number, since it uses as much as digits as its factorization.

115072057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 115072057 is about 10727.1644435983. The cubic root of 115072057 is about 486.3959597772.

The spelling of 115072057 in words is "one hundred fifteen million, seventy-two thousand, fifty-seven".