102925621 has 8 divisors (see below), whose sum is σ = 110021184. Its totient is φ = 96048480.

The previous prime is 102925619. The next prime is 102925631. The reversal of 102925621 is 126529201.

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 102925621 - 2¹ = 102925619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102925621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102925631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53631 + ... + 55516.

It is an arithmetic number, because the mean of its divisors is an integer number (13752648).

Almost surely, 2^102925621 is an apocalyptic number.

It is an amenable number.

102925621 is a deficient number, since it is larger than the sum of its proper divisors (7095563).

102925621 is a wasteful number, since it uses less digits than its factorization.

102925621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109211.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 102925621 is about 10145.2265129961. The cubic root of 102925621 is about 468.6419542146.

The spelling of 102925621 in words is "one hundred two million, nine hundred twenty-five thousand, six hundred twenty-one".