1142475276 has 24 divisors (see below), whose sum is σ = 2822586480. Its totient is φ = 358423552.

The previous prime is 1142475247. The next prime is 1142475281. The reversal of 1142475276 is 6725742411.

1142475276 is a modest number, since divided by 75276 gives 11424 as remainder.

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, 2799981 + ... + 2800388.

It is an arithmetic number, because the mean of its divisors is an integer number (117607770).

Almost surely, 2^1142475276 is an apocalyptic number.

It is an amenable number.

1142475276 is an abundant number, since it is smaller than the sum of its proper divisors (1680111204).

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

1142475276 is a wasteful number, since it uses less digits than its factorization.

1142475276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600393 (or 5600391 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 1142475276 is about 33800.5218302913. The cubic root of 1142475276 is about 1045.3994568798.

The spelling of 1142475276 in words is "one billion, one hundred forty-two million, four hundred seventy-five thousand, two hundred seventy-six".