449240121 has 32 divisors (see below), whose sum is σ = 732758400. Its totient is φ = 269749440.

The previous prime is 449240119. The next prime is 449240153. The reversal of 449240121 is 121042944.

It is a happy number.

It is not a de Polignac number, because 449240121 - 2¹ = 449240119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (449240171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25435 + ... + 39311.

It is an arithmetic number, because the mean of its divisors is an integer number (22898700).

Almost surely, 2^449240121 is an apocalyptic number.

It is an amenable number.

449240121 is a deficient number, since it is larger than the sum of its proper divisors (283518279).

449240121 is a wasteful number, since it uses less digits than its factorization.

449240121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14006 (or 14000 counting only the distinct ones).

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

The square root of 449240121 is about 21195.2853483976. The cubic root of 449240121 is about 765.8778542339.

The spelling of 449240121 in words is "four hundred forty-nine million, two hundred forty thousand, one hundred twenty-one".