102290252 has 12 divisors (see below), whose sum is σ = 179216856. Its totient is φ = 51085440.

The previous prime is 102290213. The next prime is 102290257. The reversal of 102290252 is 252092201.

It is not an unprimeable number, because it can be changed into a prime (102290257) 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, 10949 + ... + 18012.

It is an arithmetic number, because the mean of its divisors is an integer number (14934738).

Almost surely, 2^102290252 is an apocalyptic number.

It is an amenable number.

102290252 is a deficient number, since it is larger than the sum of its proper divisors (76926604).

102290252 is a wasteful number, since it uses less digits than its factorization.

102290252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29848 (or 29846 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 102290252 is about 10113.8643455407. The cubic root of 102290252 is about 467.6756402957.

The spelling of 102290252 in words is "one hundred two million, two hundred ninety thousand, two hundred fifty-two".