1149115942 has 8 divisors (see below), whose sum is σ = 1856264256. Its totient is φ = 530361192.

The previous prime is 1149115937. The next prime is 1149115943. The reversal of 1149115942 is 2495119411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149115943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22098358 + ... + 22098409.

It is an arithmetic number, because the mean of its divisors is an integer number (232033032).

Almost surely, 2^1149115942 is an apocalyptic number.

1149115942 is a deficient number, since it is larger than the sum of its proper divisors (707148314).

1149115942 is a wasteful number, since it uses less digits than its factorization.

1149115942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44196782.

The product of its digits is 12960, while the sum is 37.

The square root of 1149115942 is about 33898.6126854773. The cubic root of 1149115942 is about 1047.4210152660.

The spelling of 1149115942 in words is "one billion, one hundred forty-nine million, one hundred fifteen thousand, nine hundred forty-two".