1131193950 has 24 divisors (see below), whose sum is σ = 2805361368. Its totient is φ = 301651680.

The previous prime is 1131193927. The next prime is 1131193967. The reversal of 1131193950 is 593911311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3770497 + ... + 3770796.

It is an arithmetic number, because the mean of its divisors is an integer number (116890057).

Almost surely, 2^1131193950 is an apocalyptic number.

1131193950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131193950 is an abundant number, since it is smaller than the sum of its proper divisors (1674167418).

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

1131193950 is a wasteful number, since it uses less digits than its factorization.

1131193950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541308 (or 7541303 counting only the distinct ones).

The product of its (nonzero) digits is 3645, while the sum is 33.

The square root of 1131193950 is about 33633.2268746250. The cubic root of 1131193950 is about 1041.9471503534.

The spelling of 1131193950 in words is "one billion, one hundred thirty-one million, one hundred ninety-three thousand, nine hundred fifty".