1372388112 has 60 divisors (see below), whose sum is σ = 3973233420. Its totient is φ = 441686784.

The previous prime is 1372388111. The next prime is 1372388137. The reversal of 1372388112 is 2118832731.

It can be written as a sum of positive squares in 2 ways, for example, as 1009714176 + 362673936 = 31776^2 + 19044^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1372388111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160143 + ... + 168494.

It is an arithmetic number, because the mean of its divisors is an integer number (66220557).

Almost surely, 2^1372388112 is an apocalyptic number.

1372388112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1372388112 is an abundant number, since it is smaller than the sum of its proper divisors (2600845308).

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

1372388112 is a wasteful number, since it uses less digits than its factorization.

1372388112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328680 (or 328671 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 1372388112 is about 37045.7570040079. The cubic root of 1372388112 is about 1111.2855036078.

The spelling of 1372388112 in words is "one billion, three hundred seventy-two million, three hundred eighty-eight thousand, one hundred twelve".