1152861942 has 16 divisors (see below), whose sum is σ = 2306462400. Its totient is φ = 384164232.

The previous prime is 1152861929. The next prime is 1152861961. The reversal of 1152861942 is 2491682511.

It is a super-2 number, since 2×1152861942² = 2658181314624022728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1152861942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9328 + ... + 48915.

It is an arithmetic number, because the mean of its divisors is an integer number (144153900).

Almost surely, 2^1152861942 is an apocalyptic number.

1152861942 is an abundant number, since it is smaller than the sum of its proper divisors (1153600458).

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

1152861942 is a wasteful number, since it uses less digits than its factorization.

1152861942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61547.

The product of its digits is 34560, while the sum is 39.

The square root of 1152861942 is about 33953.8207275706. The cubic root of 1152861942 is about 1048.5579423972.

The spelling of 1152861942 in words is "one billion, one hundred fifty-two million, eight hundred sixty-one thousand, nine hundred forty-two".