120650634 has 80 divisors (see below), whose sum is σ = 296382240. Its totient is φ = 36456480.

The previous prime is 120650633. The next prime is 120650639. The reversal of 120650634 is 436056021.

120650634 is a `hidden beast` number, since 1 + 2 + 0 + 650 + 6 + 3 + 4 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 120650598 and 120650607.

It is not an unprimeable number, because it can be changed into a prime (120650633) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 123769 + ... + 124739.

It is an arithmetic number, because the mean of its divisors is an integer number (3704778).

Almost surely, 2^120650634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120650634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148191120).

120650634 is an abundant number, since it is smaller than the sum of its proper divisors (175731606).

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

120650634 is a wasteful number, since it uses less digits than its factorization.

120650634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 120650634 is about 10984.1082478279. The cubic root of 120650634 is about 494.1322538149.

The spelling of 120650634 in words is "one hundred twenty million, six hundred fifty thousand, six hundred thirty-four".