1248972288 has 40 divisors (see below), whose sum is σ = 3327344328. Its totient is φ = 416323584.

The previous prime is 1248972271. The next prime is 1248972293. The reversal of 1248972288 is 8822798421.

It is a self number, because there is not a number n which added to its sum of digits gives 1248972288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405031 + ... + 408102.

Almost surely, 2^1248972288 is an apocalyptic number.

It is an amenable number.

1248972288 is an abundant number, since it is smaller than the sum of its proper divisors (2078372040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1248972288 is an frugal number, since it uses more digits than its factorization.

1248972288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813154 (or 813138 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 51.

The square root of 1248972288 is about 35340.8020282506. The cubic root of 1248972288 is about 1076.9220456212.

The spelling of 1248972288 in words is "one billion, two hundred forty-eight million, nine hundred seventy-two thousand, two hundred eighty-eight".