115902457 has 4 divisors (see below), whose sum is σ = 126439056. Its totient is φ = 105365860.

The previous prime is 115902439. The next prime is 115902461. The reversal of 115902457 is 754209511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 754209511 = 11 ⋅68564501.

It is a cyclic number.

It is not a de Polignac number, because 115902457 - 2¹¹ = 115900409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115902407) 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, 5268283 + ... + 5268304.

It is an arithmetic number, because the mean of its divisors is an integer number (31609764).

Almost surely, 2^115902457 is an apocalyptic number.

It is an amenable number.

115902457 is a deficient number, since it is larger than the sum of its proper divisors (10536599).

115902457 is a wasteful number, since it uses less digits than its factorization.

115902457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10536598.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 115902457 is about 10765.8003418232. The cubic root of 115902457 is about 487.5631574540.

The spelling of 115902457 in words is "one hundred fifteen million, nine hundred two thousand, four hundred fifty-seven".