1142077656 has 32 divisors (see below), whose sum is σ = 2860228800. Its totient is φ = 380021280.

The previous prime is 1142077649. The next prime is 1142077679. The reversal of 1142077656 is 6567702411.

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, 27966 + ... + 55373.

It is an arithmetic number, because the mean of its divisors is an integer number (89382150).

Almost surely, 2^1142077656 is an apocalyptic number.

It is an amenable number.

1142077656 is an abundant number, since it is smaller than the sum of its proper divisors (1718151144).

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

1142077656 is a wasteful number, since it uses less digits than its factorization.

1142077656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83919 (or 83915 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 1142077656 is about 33794.6394565765. The cubic root of 1142077656 is about 1045.2781646959.

The spelling of 1142077656 in words is "one billion, one hundred forty-two million, seventy-seven thousand, six hundred fifty-six".