1372120443 has 12 divisors (see below), whose sum is σ = 1982726928. Its totient is φ = 914389200.

The previous prime is 1372120441. The next prime is 1372120459. The reversal of 1372120443 is 3440212731.

It is a happy number.

1372120443 is a `hidden beast` number, since 1 + 3 + 7 + 212 + 0 + 443 = 666.

It is not a de Polignac number, because 1372120443 - 2¹ = 1372120441 is a prime.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4383 + ... + 52568.

It is an arithmetic number, because the mean of its divisors is an integer number (165227244).

Almost surely, 2^1372120443 is an apocalyptic number.

1372120443 is a deficient number, since it is larger than the sum of its proper divisors (610606485).

1372120443 is a wasteful number, since it uses less digits than its factorization.

1372120443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59634 (or 59631 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 1372120443 is about 37042.1441469038. The cubic root of 1372120443 is about 1111.2132509612.

The spelling of 1372120443 in words is "one billion, three hundred seventy-two million, one hundred twenty thousand, four hundred forty-three".