115142687 has 8 divisors (see below), whose sum is σ = 125712000. Its totient is φ = 104590360.

The previous prime is 115142639. The next prime is 115142693. The reversal of 115142687 is 786241511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115142687 - 2⁸ = 115142431 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 (115142087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12998 + ... + 19980.

It is an arithmetic number, because the mean of its divisors is an integer number (15714000).

Almost surely, 2^115142687 is an apocalyptic number.

115142687 is a deficient number, since it is larger than the sum of its proper divisors (10569313).

115142687 is a wasteful number, since it uses less digits than its factorization.

115142687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8493.

The product of its digits is 13440, while the sum is 35.

The square root of 115142687 is about 10730.4560480904. The cubic root of 115142687 is about 486.4954543061.

The spelling of 115142687 in words is "one hundred fifteen million, one hundred forty-two thousand, six hundred eighty-seven".