102252657 has 8 divisors (see below), whose sum is σ = 146824384. Its totient is φ = 62924688.

The previous prime is 102252649. The next prime is 102252659. The reversal of 102252657 is 756252201.

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

It is not a de Polignac number, because 102252657 - 2³ = 102252649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102252659) 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, 1310893 + ... + 1310970.

It is an arithmetic number, because the mean of its divisors is an integer number (18353048).

Almost surely, 2^102252657 is an apocalyptic number.

It is an amenable number.

102252657 is a deficient number, since it is larger than the sum of its proper divisors (44571727).

102252657 is a wasteful number, since it uses less digits than its factorization.

102252657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621879.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 102252657 is about 10112.0055874193. The cubic root of 102252657 is about 467.6183379304.

The spelling of 102252657 in words is "one hundred two million, two hundred fifty-two thousand, six hundred fifty-seven".