120994578870 has 64 divisors (see below), whose sum is σ = 333458760960. Its totient is φ = 27788227200.

The previous prime is 120994578869. The next prime is 120994578871. The reversal of 120994578870 is 78875499021.

It is an interprime number because it is at equal distance from previous prime (120994578869) and next prime (120994578871).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120994578871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9642421 + ... + 9654960.

It is an arithmetic number, because the mean of its divisors is an integer number (5210293140).

Almost surely, 2^120994578870 is an apocalyptic number.

120994578870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120994578870 is an abundant number, since it is smaller than the sum of its proper divisors (212464182090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120994578870 is a wasteful number, since it uses less digits than its factorization.

120994578870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19297421.

The product of its (nonzero) digits is 10160640, while the sum is 60.

It can be divided in two parts, 1209945 and 78870, that added together give a triangular number (1288815 = T₁₆₀₅).

The spelling of 120994578870 in words is "one hundred twenty billion, nine hundred ninety-four million, five hundred seventy-eight thousand, eight hundred seventy".