120447740 has 24 divisors (see below), whose sum is σ = 289074912. Its totient is φ = 41296320.

The previous prime is 120447739. The next prime is 120447749. The reversal of 120447740 is 47744021.

It is a super-2 number, since 2×120447740² = 29015316142215200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120447749) 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 7 ways as a sum of consecutive naturals, for example, 430031 + ... + 430310.

It is an arithmetic number, because the mean of its divisors is an integer number (12044788).

Almost surely, 2^120447740 is an apocalyptic number.

120447740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120447740 is an abundant number, since it is smaller than the sum of its proper divisors (168627172).

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

120447740 is a wasteful number, since it uses less digits than its factorization.

120447740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860357 (or 860355 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 120447740 is about 10974.8685641332. The cubic root of 120447740 is about 493.8551100265.

The spelling of 120447740 in words is "one hundred twenty million, four hundred forty-seven thousand, seven hundred forty".