102252772 has 6 divisors (see below), whose sum is σ = 178942358. Its totient is φ = 51126384.

The previous prime is 102252727. The next prime is 102252803. The reversal of 102252772 is 277252201.

It can be written as a sum of positive squares in only one way, i.e., 66324736 + 35928036 = 8144^2 + 5994^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102252772.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12781593 + ... + 12781600.

Almost surely, 2^102252772 is an apocalyptic number.

It is an amenable number.

102252772 is a deficient number, since it is larger than the sum of its proper divisors (76689586).

102252772 is a wasteful number, since it uses less digits than its factorization.

102252772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25563197 (or 25563195 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 102252772 is about 10112.0112737279. The cubic root of 102252772 is about 467.6185132350.

The spelling of 102252772 in words is "one hundred two million, two hundred fifty-two thousand, seven hundred seventy-two".