4412390121 has 12 divisors (see below), whose sum is σ = 6708897520. Its totient is φ = 2786772600.

The previous prime is 4412390093. The next prime is 4412390153. The reversal of 4412390121 is 1210932144.

It is a happy number.

It is not a de Polignac number, because 4412390121 - 2⁹ = 4412389609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4412390321) 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, 12901555 + ... + 12901896.

Almost surely, 2^4412390121 is an apocalyptic number.

It is an amenable number.

4412390121 is a deficient number, since it is larger than the sum of its proper divisors (2296507399).

4412390121 is a wasteful number, since it uses less digits than its factorization.

4412390121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25803476 (or 25803473 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 4412390121 is about 66425.8242026397. The cubic root of 4412390121 is about 1640.1792042178.

The spelling of 4412390121 in words is "four billion, four hundred twelve million, three hundred ninety thousand, one hundred twenty-one".