120878479 has 2 divisors, whose sum is σ = 120878480. Its totient is φ = 120878478.

The previous prime is 120878477. The next prime is 120878543. The reversal of 120878479 is 974878021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120878479 - 2¹ = 120878477 is a prime.

It is a super-2 number, since 2×120878479² = 29223213370706882, which contains 22 as substring.

Together with 120878477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120878477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60439239 + 60439240.

It is an arithmetic number, because the mean of its divisors is an integer number (60439240).

Almost surely, 2^120878479 is an apocalyptic number.

120878479 is a deficient number, since it is larger than the sum of its proper divisors (1).

120878479 is an equidigital number, since it uses as much as digits as its factorization.

120878479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 120878479 is about 10994.4749306186. The cubic root of 120878479 is about 494.4431093887.

The spelling of 120878479 in words is "one hundred twenty million, eight hundred seventy-eight thousand, four hundred seventy-nine".