120442413 has 24 divisors (see below), whose sum is σ = 198740928. Its totient is φ = 63528192.

The previous prime is 120442411. The next prime is 120442429. The reversal of 120442413 is 314244021.

It is not a de Polignac number, because 120442413 - 2¹ = 120442411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120442413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120442411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13420 + ... + 20517.

It is an arithmetic number, because the mean of its divisors is an integer number (8280872).

Almost surely, 2^120442413 is an apocalyptic number.

120442413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

120442413 is a deficient number, since it is larger than the sum of its proper divisors (78298515).

120442413 is a wasteful number, since it uses less digits than its factorization.

120442413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33973 (or 33960 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 120442413 is about 10974.6258706163. The cubic root of 120442413 is about 493.8478294002.

Adding to 120442413 its reverse (314244021), we get a palindrome (434686434).

The spelling of 120442413 in words is "one hundred twenty million, four hundred forty-two thousand, four hundred thirteen".