120422440 has 32 divisors (see below), whose sum is σ = 272004480. Its totient is φ = 47981632.

The previous prime is 120422431. The next prime is 120422447. The reversal of 120422440 is 44224021.

It is not an unprimeable number, because it can be changed into a prime (120422447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4797 + ... + 16243.

It is an arithmetic number, because the mean of its divisors is an integer number (8500140).

Almost surely, 2^120422440 is an apocalyptic number.

120422440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120422440 is an abundant number, since it is smaller than the sum of its proper divisors (151582040).

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

120422440 is a wasteful number, since it uses less digits than its factorization.

120422440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11721 (or 11717 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 120422440 is about 10973.7158702055. The cubic root of 120422440 is about 493.8205295818.

Adding to 120422440 its reverse (44224021), we get a palindrome (164646461).

The spelling of 120422440 in words is "one hundred twenty million, four hundred twenty-two thousand, four hundred forty".