115437621 has 16 divisors (see below), whose sum is σ = 172964736. Its totient is φ = 67949376.

The previous prime is 115437617. The next prime is 115437629. The reversal of 115437621 is 126734511.

It is not a de Polignac number, because 115437621 - 2² = 115437617 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115437629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63450 + ... + 65243.

It is an arithmetic number, because the mean of its divisors is an integer number (10810296).

Almost surely, 2^115437621 is an apocalyptic number.

It is an amenable number.

115437621 is a deficient number, since it is larger than the sum of its proper divisors (57527115).

115437621 is a wasteful number, since it uses less digits than its factorization.

115437621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128732.

The product of its digits is 5040, while the sum is 30.

The square root of 115437621 is about 10744.1901044239. The cubic root of 115437621 is about 486.9104805612.

The spelling of 115437621 in words is "one hundred fifteen million, four hundred thirty-seven thousand, six hundred twenty-one".