120084557 has 2 divisors, whose sum is σ = 120084558. Its totient is φ = 120084556.

The previous prime is 120084553. The next prime is 120084571. The reversal of 120084557 is 755480021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101022601 + 19061956 = 10051^2 + 4366^2 .

It is a cyclic number.

It is not a de Polignac number, because 120084557 - 2² = 120084553 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120084553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60042278 + 60042279.

It is an arithmetic number, because the mean of its divisors is an integer number (60042279).

Almost surely, 2^120084557 is an apocalyptic number.

It is an amenable number.

120084557 is a deficient number, since it is larger than the sum of its proper divisors (1).

120084557 is an equidigital number, since it uses as much as digits as its factorization.

120084557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 120084557 is about 10958.3099518128. The cubic root of 120084557 is about 493.3582407175.

The spelling of 120084557 in words is "one hundred twenty million, eighty-four thousand, five hundred fifty-seven".