120400195 has 8 divisors (see below), whose sum is σ = 145450800. Its totient is φ = 95673120.

The previous prime is 120400177. The next prime is 120400211. The reversal of 120400195 is 591004021.

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

It is not a de Polignac number, because 120400195 - 2¹¹ = 120398147 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 80061 + ... + 81550.

It is an arithmetic number, because the mean of its divisors is an integer number (18181350).

Almost surely, 2^120400195 is an apocalyptic number.

120400195 is a deficient number, since it is larger than the sum of its proper divisors (25050605).

120400195 is a wasteful number, since it uses less digits than its factorization.

120400195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161765.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 120400195 is about 10972.7022651670. The cubic root of 120400195 is about 493.7901207584.

The spelling of 120400195 in words is "one hundred twenty million, four hundred thousand, one hundred ninety-five".