45122120 has 32 divisors (see below), whose sum is σ = 102755520. Its totient is φ = 17830080.

The previous prime is 45122111. The next prime is 45122123. The reversal of 45122120 is 2122154.

It is not an unprimeable number, because it can be changed into a prime (45122123) 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, 3476 + ... + 10115.

It is an arithmetic number, because the mean of its divisors is an integer number (3211110).

Almost surely, 2^45122120 is an apocalyptic number.

45122120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45122120 is an abundant number, since it is smaller than the sum of its proper divisors (57633400).

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

45122120 is a wasteful number, since it uses less digits than its factorization.

45122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13685 (or 13681 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 45122120 is about 6717.3000528486. The cubic root of 45122120 is about 356.0107937644.

Adding to 45122120 its reverse (2122154), we get a palindrome (47244274).

The spelling of 45122120 in words is "forty-five million, one hundred twenty-two thousand, one hundred twenty".