1148938672 has 120 divisors (see below), whose sum is σ = 2678574096. Its totient is φ = 475743744.

The previous prime is 1148938657. The next prime is 1148938691. The reversal of 1148938672 is 2768398411.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5832078 + ... + 5832274.

Almost surely, 2^1148938672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148938672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1339287048).

1148938672 is an abundant number, since it is smaller than the sum of its proper divisors (1529635424).

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

1148938672 is a wasteful number, since it uses less digits than its factorization.

1148938672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 422 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 1148938672 is about 33895.9978758555. The cubic root of 1148938672 is about 1047.3671518668.

The spelling of 1148938672 in words is "one billion, one hundred forty-eight million, nine hundred thirty-eight thousand, six hundred seventy-two".