115401958 has 12 divisors (see below), whose sum is σ = 201364812. Its totient is φ = 49457940.

The previous prime is 115401947. The next prime is 115401959. The reversal of 115401958 is 859104511.

It is a super-2 number, since 2×115401958² = 26635223820467528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115401959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 588688 + ... + 588883.

It is an arithmetic number, because the mean of its divisors is an integer number (16780401).

Almost surely, 2^115401958 is an apocalyptic number.

115401958 is a deficient number, since it is larger than the sum of its proper divisors (85962854).

115401958 is a wasteful number, since it uses less digits than its factorization.

115401958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177587 (or 1177580 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 34.

The square root of 115401958 is about 10742.5303350747. The cubic root of 115401958 is about 486.8603337754.

The spelling of 115401958 in words is "one hundred fifteen million, four hundred one thousand, nine hundred fifty-eight".