128248501924 has 27 divisors (see below), whose sum is σ = 226258159393. Its totient is φ = 63607486688.

The previous prime is 128248501897. The next prime is 128248501933. The reversal of 128248501924 is 429105842821.

It is a happy number.

The square root of 128248501924 is 358118.

It is a perfect power (a square), and thus also a powerful number.

128248501924 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 75333780900 + 52914721024 = 274470^2 + 230032^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 98123679 + ... + 98124985.

Almost surely, 2^128248501924 is an apocalyptic number.

128248501924 is the 358118-th square number.

It is an amenable number.

128248501924 is a deficient number, since it is larger than the sum of its proper divisors (98009657469).

128248501924 is an frugal number, since it uses more digits than its factorization.

128248501924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892 (or 1446 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 128248501924 in words is "one hundred twenty-eight billion, two hundred forty-eight million, five hundred one thousand, nine hundred twenty-four".