120878197 has 8 divisors (see below), whose sum is σ = 134102880. Its totient is φ = 108026160.

The previous prime is 120878189. The next prime is 120878237. The reversal of 120878197 is 791878021.

It is a happy number.

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

It is not a de Polignac number, because 120878197 - 2³ = 120878189 is a prime.

It is a super-2 number, since 2×120878197² = 29223077019941618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120878167) 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, 92478 + ... + 93775.

It is an arithmetic number, because the mean of its divisors is an integer number (16762860).

Almost surely, 2^120878197 is an apocalyptic number.

It is an amenable number.

120878197 is a deficient number, since it is larger than the sum of its proper divisors (13224683).

120878197 is a wasteful number, since it uses less digits than its factorization.

120878197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186323.

The product of its (nonzero) digits is 56448, while the sum is 43.

The square root of 120878197 is about 10994.4621059877. The cubic root of 120878197 is about 494.4427248894.

The spelling of 120878197 in words is "one hundred twenty million, eight hundred seventy-eight thousand, one hundred ninety-seven".