102074621 has 16 divisors (see below), whose sum is σ = 116657280. Its totient is φ = 88408320.

The previous prime is 102074603. The next prime is 102074627. The reversal of 102074621 is 126470201.

It is not a de Polignac number, because 102074621 - 2¹⁰ = 102073597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102074627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78545 + ... + 79833.

It is an arithmetic number, because the mean of its divisors is an integer number (7291080).

Almost surely, 2^102074621 is an apocalyptic number.

102074621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102074621 is a deficient number, since it is larger than the sum of its proper divisors (14582659).

102074621 is a wasteful number, since it uses less digits than its factorization.

102074621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 102074621 is about 10103.1985529336. The cubic root of 102074621 is about 467.3467842257.

The spelling of 102074621 in words is "one hundred two million, seventy-four thousand, six hundred twenty-one".