120857398 has 8 divisors (see below), whose sum is σ = 185143392. Its totient is φ = 59142936.

The previous prime is 120857393. The next prime is 120857417. The reversal of 120857398 is 893758021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120857393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642765 + ... + 642952.

It is an arithmetic number, because the mean of its divisors is an integer number (23142924).

Almost surely, 2^120857398 is an apocalyptic number.

120857398 is a deficient number, since it is larger than the sum of its proper divisors (64285994).

120857398 is a wasteful number, since it uses less digits than its factorization.

120857398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285766.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 120857398 is about 10993.5161800036. The cubic root of 120857398 is about 494.4143643734.

The spelling of 120857398 in words is "one hundred twenty million, eight hundred fifty-seven thousand, three hundred ninety-eight".