102712987 has 8 divisors (see below), whose sum is σ = 110740896. Its totient is φ = 94703232.

The previous prime is 102712969. The next prime is 102712991. The reversal of 102712987 is 789217201.

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

It is a de Polignac number, because none of the positive numbers 2^k-102712987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102712957) 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, 8658 + ... + 16744.

It is an arithmetic number, because the mean of its divisors is an integer number (13842612).

Almost surely, 2^102712987 is an apocalyptic number.

102712987 is a deficient number, since it is larger than the sum of its proper divisors (8027909).

102712987 is an equidigital number, since it uses as much as digits as its factorization.

102712987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9077.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 102712987 is about 10134.7415852601. The cubic root of 102712987 is about 468.3190093121.

The spelling of 102712987 in words is "one hundred two million, seven hundred twelve thousand, nine hundred eighty-seven".