102560421 has 8 divisors (see below), whose sum is σ = 137435200. Its totient is φ = 68029632.

The previous prime is 102560399. The next prime is 102560441. The reversal of 102560421 is 124065201.

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

It is not a de Polignac number, because 102560421 - 2⁹ = 102559909 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 (102560441) 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, 85300 + ... + 86493.

It is an arithmetic number, because the mean of its divisors is an integer number (17179400).

Almost surely, 2^102560421 is an apocalyptic number.

It is an amenable number.

102560421 is a deficient number, since it is larger than the sum of its proper divisors (34874779).

102560421 is a wasteful number, since it uses less digits than its factorization.

102560421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171995.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 102560421 is about 10127.2119065417. The cubic root of 102560421 is about 468.0870199424.

The spelling of 102560421 in words is "one hundred two million, five hundred sixty thousand, four hundred twenty-one".