102720748 has 12 divisors (see below), whose sum is σ = 193589200. Its totient is φ = 47409552.

The previous prime is 102720743. The next prime is 102720773. The reversal of 102720748 is 847027201.

It is not an unprimeable number, because it can be changed into a prime (102720743) 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, 987648 + ... + 987751.

Almost surely, 2^102720748 is an apocalyptic number.

It is an amenable number.

102720748 is a deficient number, since it is larger than the sum of its proper divisors (90868452).

102720748 is a wasteful number, since it uses less digits than its factorization.

102720748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975416 (or 1975414 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 102720748 is about 10135.1244688953. The cubic root of 102720748 is about 468.3308044200.

Adding to 102720748 its reverse (847027201), we get a palindrome (949747949).

The spelling of 102720748 in words is "one hundred two million, seven hundred twenty thousand, seven hundred forty-eight".