120258861 has 8 divisors (see below), whose sum is σ = 160466784. Its totient is φ = 80111760.

The previous prime is 120258857. The next prime is 120258893. The reversal of 120258861 is 168852021.

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

It is not a de Polignac number, because 120258861 - 2² = 120258857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120258821) 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, 10371 + ... + 18656.

It is an arithmetic number, because the mean of its divisors is an integer number (20058348).

Almost surely, 2^120258861 is an apocalyptic number.

It is an amenable number.

120258861 is a deficient number, since it is larger than the sum of its proper divisors (40207923).

120258861 is a wasteful number, since it uses less digits than its factorization.

120258861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30411.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 120258861 is about 10966.2601191108. The cubic root of 120258861 is about 493.5968302116.

The spelling of 120258861 in words is "one hundred twenty million, two hundred fifty-eight thousand, eight hundred sixty-one".