120972774 has 64 divisors (see below), whose sum is σ = 268692480. Its totient is φ = 36080640.

The previous prime is 120972773. The next prime is 120972811. The reversal of 120972774 is 477279021.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120972773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446259 + ... + 446529.

It is an arithmetic number, because the mean of its divisors is an integer number (4198320).

Almost surely, 2^120972774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120972774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134346240).

120972774 is an abundant number, since it is smaller than the sum of its proper divisors (147719706).

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

120972774 is a wasteful number, since it uses less digits than its factorization.

120972774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 120972774 is about 10998.7623849231. The cubic root of 120972774 is about 494.5716445238.

The spelling of 120972774 in words is "one hundred twenty million, nine hundred seventy-two thousand, seven hundred seventy-four".