120722630 has 64 divisors (see below), whose sum is σ = 261273600. Its totient is φ = 39266304.

The previous prime is 120722603. The next prime is 120722633. The reversal of 120722630 is 36227021.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120722596 and 120722605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120722633) 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, 268646 + ... + 269094.

It is an arithmetic number, because the mean of its divisors is an integer number (4082400).

Almost surely, 2^120722630 is an apocalyptic number.

120722630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120722630 is an abundant number, since it is smaller than the sum of its proper divisors (140550970).

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

120722630 is a wasteful number, since it uses less digits than its factorization.

120722630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 120722630 is about 10987.3850392166. The cubic root of 120722630 is about 494.2305223184.

Adding to 120722630 its reverse (36227021), we get a palindrome (156949651).

The spelling of 120722630 in words is "one hundred twenty million, seven hundred twenty-two thousand, six hundred thirty".