120874582178639 has 2 divisors, whose sum is σ = 120874582178640. Its totient is φ = 120874582178638.

The previous prime is 120874582178617. The next prime is 120874582178641. The reversal of 120874582178639 is 936871285478021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120874582178639 - 2³² = 120870287211343 is a prime.

It is a super-2 number, since 2×120874582178639² (a number of 29 digits) contains 22 as substring.

Together with 120874582178641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120874582175639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60437291089319 + 60437291089320.

It is an arithmetic number, because the mean of its divisors is an integer number (60437291089320).

It is a 1-persistent number, because it is pandigital, but 2⋅120874582178639 = 241749164357278 is not.

Almost surely, 2^{120874582178639} is an apocalyptic number.

120874582178639 is a deficient number, since it is larger than the sum of its proper divisors (1).

120874582178639 is an equidigital number, since it uses as much as digits as its factorization.

120874582178639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 325140480, while the sum is 71.

The spelling of 120874582178639 in words is "one hundred twenty trillion, eight hundred seventy-four billion, five hundred eighty-two million, one hundred seventy-eight thousand, six hundred thirty-nine".