1131589250 has 64 divisors (see below), whose sum is σ = 2318150016. Its totient is φ = 410200000.

The previous prime is 1131589219. The next prime is 1131589253. The reversal of 1131589250 is 529851311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131589250.

It is not an unprimeable number, because it can be changed into a prime (1131589253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1613900 + ... + 1614600.

It is an arithmetic number, because the mean of its divisors is an integer number (36221094).

Almost surely, 2^1131589250 is an apocalyptic number.

1131589250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131589250 is an abundant number, since it is smaller than the sum of its proper divisors (1186560766).

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

1131589250 is a wasteful number, since it uses less digits than its factorization.

1131589250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 1131589250 is about 33639.1029904188. The cubic root of 1131589250 is about 1042.0685070079.

The spelling of 1131589250 in words is "one billion, one hundred thirty-one million, five hundred eighty-nine thousand, two hundred fifty".