1089251196 has 36 divisors (see below), whose sum is σ = 2793647976. Its totient is φ = 330075680.

The previous prime is 1089251129. The next prime is 1089251203. The reversal of 1089251196 is 6911529801.

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, 373635 + ... + 376538.

Almost surely, 2^1089251196 is an apocalyptic number.

It is an amenable number.

1089251196 is an abundant number, since it is smaller than the sum of its proper divisors (1704396780).

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

1089251196 is a wasteful number, since it uses less digits than its factorization.

1089251196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750202 (or 750189 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 42.

The square root of 1089251196 is about 33003.8057805460. The cubic root of 1089251196 is about 1028.9067471433.

The spelling of 1089251196 in words is "one billion, eighty-nine million, two hundred fifty-one thousand, one hundred ninety-six".