1131042950 has 24 divisors (see below), whose sum is σ = 2120316672. Its totient is φ = 448852320.

The previous prime is 1131042943. The next prime is 1131042959. The reversal of 1131042950 is 592401311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131042959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82709 + ... + 95408.

It is an arithmetic number, because the mean of its divisors is an integer number (88346528).

Almost surely, 2^1131042950 is an apocalyptic number.

1131042950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131042950 is a deficient number, since it is larger than the sum of its proper divisors (989273722).

1131042950 is a wasteful number, since it uses less digits than its factorization.

1131042950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178256 (or 178251 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1131042950 is about 33630.9819957729. The cubic root of 1131042950 is about 1041.9007860611.

The spelling of 1131042950 in words is "one billion, one hundred thirty-one million, forty-two thousand, nine hundred fifty".