4492040121 has 12 divisors (see below), whose sum is σ = 6517089072. Its totient is φ = 2981499576.

The previous prime is 4492040117. The next prime is 4492040131. The reversal of 4492040121 is 1210402944.

It is a happy number.

4492040121 is a `hidden beast` number, since 449 + 204 + 0 + 12 + 1 = 666.

It is not a de Polignac number, because 4492040121 - 2² = 4492040117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4492040131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1097331 + ... + 1101416.

It is an arithmetic number, because the mean of its divisors is an integer number (543090756).

Almost surely, 2^4492040121 is an apocalyptic number.

It is an amenable number.

4492040121 is a deficient number, since it is larger than the sum of its proper divisors (2025048951).

4492040121 is a wasteful number, since it uses less digits than its factorization.

4492040121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198980 (or 2198977 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4492040121 is about 67022.6836302457. The cubic root of 4492040121 is about 1649.9896076480.

The spelling of 4492040121 in words is "four billion, four hundred ninety-two million, forty thousand, one hundred twenty-one".