120557571 has 8 divisors (see below), whose sum is σ = 161730240. Its totient is φ = 79878312.

The previous prime is 120557561. The next prime is 120557573. The reversal of 120557571 is 175755021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120557571 - 2⁷ = 120557443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120557573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122781 + ... + 123758.

It is an arithmetic number, because the mean of its divisors is an integer number (20216280).

Almost surely, 2^120557571 is an apocalyptic number.

120557571 is a deficient number, since it is larger than the sum of its proper divisors (41172669).

120557571 is a wasteful number, since it uses less digits than its factorization.

120557571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246705.

The product of its (nonzero) digits is 12250, while the sum is 33.

The square root of 120557571 is about 10979.8711741076. The cubic root of 120557571 is about 494.0051726799.

The spelling of 120557571 in words is "one hundred twenty million, five hundred fifty-seven thousand, five hundred seventy-one".