1372120444 has 24 divisors (see below), whose sum is σ = 2461713408. Its totient is φ = 668886000.

The previous prime is 1372120441. The next prime is 1372120459. The reversal of 1372120444 is 4440212731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372120441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35569 + ... + 63319.

It is an arithmetic number, because the mean of its divisors is an integer number (102571392).

Almost surely, 2^1372120444 is an apocalyptic number.

It is an amenable number.

1372120444 is a deficient number, since it is larger than the sum of its proper divisors (1089592964).

1372120444 is a wasteful number, since it uses less digits than its factorization.

1372120444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28065 (or 28063 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 1372120444 is about 37042.1441604019. The cubic root of 1372120444 is about 1111.2132512311.

The spelling of 1372120444 in words is "one billion, three hundred seventy-two million, one hundred twenty thousand, four hundred forty-four".