120653442 has 128 divisors (see below), whose sum is σ = 338257920. Its totient is φ = 31026240.

The previous prime is 120653419. The next prime is 120653453. The reversal of 120653442 is 244356021.

120653442 is a `hidden beast` number, since 1 + 2 + 0 + 653 + 4 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 211017 + ... + 211587.

It is an arithmetic number, because the mean of its divisors is an integer number (2642640).

Almost surely, 2^120653442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120653442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169128960).

120653442 is an abundant number, since it is smaller than the sum of its proper divisors (217604478).

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

120653442 is a wasteful number, since it uses less digits than its factorization.

120653442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 120653442 is about 10984.2360681114. The cubic root of 120653442 is about 494.1360872320.

The spelling of 120653442 in words is "one hundred twenty million, six hundred fifty-three thousand, four hundred forty-two".