151120639 has 2 divisors, whose sum is σ = 151120640. Its totient is φ = 151120638.

The previous prime is 151120631. The next prime is 151120657. The reversal of 151120639 is 936021151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151120639 - 2³ = 151120631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151120631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75560319 + 75560320.

It is an arithmetic number, because the mean of its divisors is an integer number (75560320).

Almost surely, 2^151120639 is an apocalyptic number.

151120639 is a deficient number, since it is larger than the sum of its proper divisors (1).

151120639 is an equidigital number, since it uses as much as digits as its factorization.

151120639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 151120639 is about 12293.1134786920. The cubic root of 151120639 is about 532.6491771282.

The spelling of 151120639 in words is "one hundred fifty-one million, one hundred twenty thousand, six hundred thirty-nine".