1372120459 has 2 divisors, whose sum is σ = 1372120460. Its totient is φ = 1372120458.

The previous prime is 1372120441. The next prime is 1372120489. The reversal of 1372120459 is 9540212731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1372120459 - 2¹¹ = 1372118411 is a prime.

It is not a weakly prime, because it can be changed into another prime (1372120429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686060229 + 686060230.

It is an arithmetic number, because the mean of its divisors is an integer number (686060230).

Almost surely, 2^1372120459 is an apocalyptic number.

1372120459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372120459 is an equidigital number, since it uses as much as digits as its factorization.

1372120459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1372120459 is about 37042.1443628740. The cubic root of 1372120459 is about 1111.2132552804.

The spelling of 1372120459 in words is "one billion, three hundred seventy-two million, one hundred twenty thousand, four hundred fifty-nine".