1142912748 has 12 divisors (see below), whose sum is σ = 2666796440. Its totient is φ = 380970912.

The previous prime is 1142912717. The next prime is 1142912767. The reversal of 1142912748 is 8472192411.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47621353 + ... + 47621376.

Almost surely, 2^1142912748 is an apocalyptic number.

It is an amenable number.

1142912748 is an abundant number, since it is smaller than the sum of its proper divisors (1523883692).

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

1142912748 is a wasteful number, since it uses less digits than its factorization.

1142912748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95242736 (or 95242734 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 1142912748 is about 33806.9925902911. The cubic root of 1142912748 is about 1045.5328732258.

The spelling of 1142912748 in words is "one billion, one hundred forty-two million, nine hundred twelve thousand, seven hundred forty-eight".