1142076771 has 36 divisors (see below), whose sum is σ = 1857568440. Its totient is φ = 675259200.

The previous prime is 1142076737. The next prime is 1142076863. The reversal of 1142076771 is 1776702411.

It is not a de Polignac number, because 1142076771 - 2¹⁸ = 1141814627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142076731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31860 + ... + 57438.

Almost surely, 2^1142076771 is an apocalyptic number.

1142076771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1142076771 is a deficient number, since it is larger than the sum of its proper divisors (715491669).

1142076771 is a wasteful number, since it uses less digits than its factorization.

1142076771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25648 (or 25634 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The square root of 1142076771 is about 33794.6263627814. The cubic root of 1142076771 is about 1045.2778946992.

The spelling of 1142076771 in words is "one billion, one hundred forty-two million, seventy-six thousand, seven hundred seventy-one".