120470639 has 2 divisors, whose sum is σ = 120470640. Its totient is φ = 120470638.

The previous prime is 120470593. The next prime is 120470663. The reversal of 120470639 is 936074021.

It is a strong prime.

It is an emirp because it is prime and its reverse (936074021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120470639 - 2²⁴ = 103693423 is a prime.

It is a super-2 number, since 2×120470639² = 29026349722136642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120470689) 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 as a sum of consecutive naturals, namely, 60235319 + 60235320.

It is an arithmetic number, because the mean of its divisors is an integer number (60235320).

Almost surely, 2^120470639 is an apocalyptic number.

120470639 is a deficient number, since it is larger than the sum of its proper divisors (1).

120470639 is an equidigital number, since it uses as much as digits as its factorization.

120470639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 120470639 is about 10975.9117616716. The cubic root of 120470639 is about 493.8864045713.

The spelling of 120470639 in words is "one hundred twenty million, four hundred seventy thousand, six hundred thirty-nine".