102320572 has 6 divisors (see below), whose sum is σ = 179061008. Its totient is φ = 51160284.

The previous prime is 102320549. The next prime is 102320579. The reversal of 102320572 is 275023201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102320579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12790068 + ... + 12790075.

Almost surely, 2^102320572 is an apocalyptic number.

It is an amenable number.

102320572 is a deficient number, since it is larger than the sum of its proper divisors (76740436).

102320572 is a wasteful number, since it uses less digits than its factorization.

102320572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25580147 (or 25580145 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 102320572 is about 10115.3631669852. The cubic root of 102320572 is about 467.7218438662.

Adding to 102320572 its reverse (275023201), we get a palindrome (377343773).

The spelling of 102320572 in words is "one hundred two million, three hundred twenty thousand, five hundred seventy-two".