120555377 has 2 divisors, whose sum is σ = 120555378. Its totient is φ = 120555376.

The previous prime is 120555367. The next prime is 120555439. The reversal of 120555377 is 773555021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108659776 + 11895601 = 10424^2 + 3449^2 .

It is a cyclic number.

It is not a de Polignac number, because 120555377 - 2¹⁰ = 120554353 is a prime.

It is a super-2 number, since 2×120555377² = 29067197847224258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120555307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60277688 + 60277689.

It is an arithmetic number, because the mean of its divisors is an integer number (60277689).

Almost surely, 2^120555377 is an apocalyptic number.

It is an amenable number.

120555377 is a deficient number, since it is larger than the sum of its proper divisors (1).

120555377 is an equidigital number, since it uses as much as digits as its factorization.

120555377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 120555377 is about 10979.7712635555. The cubic root of 120555377 is about 494.0021758989.

The spelling of 120555377 in words is "one hundred twenty million, five hundred fifty-five thousand, three hundred seventy-seven".