1142810641 has 16 divisors (see below), whose sum is σ = 1334430720. Its totient is φ = 958510080.

The previous prime is 1142810639. The next prime is 1142810701. The reversal of 1142810641 is 1460182411.

It is a cyclic number.

It is not a de Polignac number, because 1142810641 - 2¹ = 1142810639 is a prime.

It is a super-2 number, since 2×1142810641² = 2612032322365661762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1142810041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50976 + ... + 69886.

It is an arithmetic number, because the mean of its divisors is an integer number (83401920).

Almost surely, 2^1142810641 is an apocalyptic number.

It is an amenable number.

1142810641 is a deficient number, since it is larger than the sum of its proper divisors (191620079).

1142810641 is an equidigital number, since it uses as much as digits as its factorization.

1142810641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19104.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1142810641 is about 33805.4824104020. The cubic root of 1142810641 is about 1045.5017365811.

The spelling of 1142810641 in words is "one billion, one hundred forty-two million, eight hundred ten thousand, six hundred forty-one".