102620269 has 4 divisors (see below), whose sum is σ = 102645760. Its totient is φ = 102594780.

The previous prime is 102620267. The next prime is 102620281. The reversal of 102620269 is 962026201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102620269 - 2¹ = 102620267 is a prime.

It is a super-2 number, since 2×102620269² = 21061839219264722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102620263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5229 + ... + 15250.

It is an arithmetic number, because the mean of its divisors is an integer number (25661440).

Almost surely, 2^102620269 is an apocalyptic number.

It is an amenable number.

102620269 is a deficient number, since it is larger than the sum of its proper divisors (25491).

102620269 is an equidigital number, since it uses as much as digits as its factorization.

102620269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25490.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 102620269 is about 10130.1662868879. The cubic root of 102620269 is about 468.1780512401.

The spelling of 102620269 in words is "one hundred two million, six hundred twenty thousand, two hundred sixty-nine".