120370639 has 2 divisors, whose sum is σ = 120370640. Its totient is φ = 120370638.

The previous prime is 120370637. The next prime is 120370699. The reversal of 120370639 is 936073021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120370639 - 2¹ = 120370637 is a prime.

It is a super-3 number, since 3×120370639³ (a number of 25 digits) contains 333 as substring.

Together with 120370637, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 120370639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120370633) 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, 60185319 + 60185320.

It is an arithmetic number, because the mean of its divisors is an integer number (60185320).

Almost surely, 2^120370639 is an apocalyptic number.

120370639 is a deficient number, since it is larger than the sum of its proper divisors (1).

120370639 is an equidigital number, since it uses as much as digits as its factorization.

120370639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 120370639 is about 10971.3553857306. The cubic root of 120370639 is about 493.7497120332.

The spelling of 120370639 in words is "one hundred twenty million, three hundred seventy thousand, six hundred thirty-nine".