1142712724 has 12 divisors (see below), whose sum is σ = 2006057844. Its totient is φ = 569553344.

The previous prime is 1142712719. The next prime is 1142712733. The reversal of 1142712724 is 4272172411.

It can be written as a sum of positive squares in 2 ways, for example, as 373648900 + 769063824 = 19330^2 + 27732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449329 + ... + 451864.

It is an arithmetic number, because the mean of its divisors is an integer number (167171487).

Almost surely, 2^1142712724 is an apocalyptic number.

It is an amenable number.

1142712724 is a deficient number, since it is larger than the sum of its proper divisors (863345120).

1142712724 is a wasteful number, since it uses less digits than its factorization.

1142712724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901514 (or 901512 counting only the distinct ones).

The product of its digits is 6272, while the sum is 31.

The square root of 1142712724 is about 33804.0341379546. The cubic root of 1142712724 is about 1045.4718758985.

The spelling of 1142712724 in words is "one billion, one hundred forty-two million, seven hundred twelve thousand, seven hundred twenty-four".