115021629 has 6 divisors (see below), whose sum is σ = 166142366. Its totient is φ = 76681080.

The previous prime is 115021561. The next prime is 115021651. The reversal of 115021629 is 926120511.

115021629 is a `hidden beast` number, since 1 + 15 + 0 + 21 + 629 = 666.

It can be written as a sum of positive squares in only one way, i.e., 72641529 + 42380100 = 8523^2 + 6510^2 .

It is not a de Polignac number, because 115021629 - 2⁸ = 115021373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115021679) 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 in 5 ways as a sum of consecutive naturals, for example, 6390082 + ... + 6390099.

Almost surely, 2^115021629 is an apocalyptic number.

It is an amenable number.

115021629 is a deficient number, since it is larger than the sum of its proper divisors (51120737).

115021629 is a wasteful number, since it uses less digits than its factorization.

115021629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780187 (or 12780184 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 115021629 is about 10724.8137046757. The cubic root of 115021629 is about 486.3248983341.

It can be divided in two parts, 11502 and 1629, that added together give a palindrome (13131).

The spelling of 115021629 in words is "one hundred fifteen million, twenty-one thousand, six hundred twenty-nine".