1250138748 has 24 divisors (see below), whose sum is σ = 2958076800. Its totient is φ = 410843440.

The previous prime is 1250138731. The next prime is 1250138761. The reversal of 1250138748 is 8478310521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732798 + ... + 734501.

It is an arithmetic number, because the mean of its divisors is an integer number (123253200).

Almost surely, 2^1250138748 is an apocalyptic number.

It is an amenable number.

1250138748 is an abundant number, since it is smaller than the sum of its proper divisors (1707938052).

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

1250138748 is a wasteful number, since it uses less digits than its factorization.

1250138748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467377 (or 1467375 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1250138748 is about 35357.3011979138. The cubic root of 1250138748 is about 1077.2572000086.

The spelling of 1250138748 in words is "one billion, two hundred fifty million, one hundred thirty-eight thousand, seven hundred forty-eight".