1142959312 has 40 divisors (see below), whose sum is σ = 2418550560. Its totient is φ = 518935680.

The previous prime is 1142959303. The next prime is 1142959319. The reversal of 1142959312 is 2139592411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142959319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176158 + ... + 182530.

It is an arithmetic number, because the mean of its divisors is an integer number (60463764).

Almost surely, 2^1142959312 is an apocalyptic number.

It is an amenable number.

1142959312 is an abundant number, since it is smaller than the sum of its proper divisors (1275591248).

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

1142959312 is a wasteful number, since it uses less digits than its factorization.

1142959312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7411 (or 7405 counting only the distinct ones).

The product of its digits is 19440, while the sum is 37.

The square root of 1142959312 is about 33807.6812573711. The cubic root of 1142959312 is about 1045.5470718984.

The spelling of 1142959312 in words is "one billion, one hundred forty-two million, nine hundred fifty-nine thousand, three hundred twelve".