120778270 has 16 divisors (see below), whose sum is σ = 219115008. Its totient is φ = 47930400.

The previous prime is 120778247. The next prime is 120778303. The reversal of 120778270 is 72877021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46281 + ... + 48820.

It is an arithmetic number, because the mean of its divisors is an integer number (13694688).

Almost surely, 2^120778270 is an apocalyptic number.

120778270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120778270 is a deficient number, since it is larger than the sum of its proper divisors (98336738).

120778270 is a wasteful number, since it uses less digits than its factorization.

120778270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95235.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 120778270 is about 10989.9167421778. The cubic root of 120778270 is about 494.3064394922.

The spelling of 120778270 in words is "one hundred twenty million, seven hundred seventy-eight thousand, two hundred seventy".