1201888392 has 32 divisors (see below), whose sum is σ = 3008184480. Its totient is φ = 400167680.

The previous prime is 1201888379. The next prime is 1201888403. The reversal of 1201888392 is 2938881021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7278 + ... + 49565.

It is an arithmetic number, because the mean of its divisors is an integer number (94005765).

Almost surely, 2^1201888392 is an apocalyptic number.

1201888392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201888392 is an abundant number, since it is smaller than the sum of its proper divisors (1806296088).

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

1201888392 is a wasteful number, since it uses less digits than its factorization.

1201888392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57733 (or 57729 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 1201888392 is about 34668.2620273933. The cubic root of 1201888392 is about 1063.2156981355.

The spelling of 1201888392 in words is "one billion, two hundred one million, eight hundred eighty-eight thousand, three hundred ninety-two".