747100120 has 32 divisors (see below), whose sum is σ = 1810282320. Its totient is φ = 275852160.

The previous prime is 747100069. The next prime is 747100163. The reversal of 747100120 is 21001747.

It is a junction number, because it is equal to n+sod(n) for n = 747100091 and 747100100.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 717846 + ... + 718885.

Almost surely, 2^747100120 is an apocalyptic number.

It is an amenable number.

747100120 is an abundant number, since it is smaller than the sum of its proper divisors (1063182200).

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

747100120 is a wasteful number, since it uses less digits than its factorization.

747100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436755 (or 1436751 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 747100120 is about 27333.1322756833. The cubic root of 747100120 is about 907.3877991446.

Adding to 747100120 its reverse (21001747), we get a palindrome (768101867).

The spelling of 747100120 in words is "seven hundred forty-seven million, one hundred thousand, one hundred twenty".