244942125121 has 4 divisors (see below), whose sum is σ = 248297496772. Its totient is φ = 241586753472.

The previous prime is 244942125097. The next prime is 244942125157. The reversal of 244942125121 is 121521249442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201386435121 + 43555690000 = 448761^2 + 208700^2 .

It is a cyclic number.

It is not a de Polignac number, because 244942125121 - 2⁵ = 244942125089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244942125221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677685716 + ... + 1677685861.

It is an arithmetic number, because the mean of its divisors is an integer number (62074374193).

Almost surely, 2^244942125121 is an apocalyptic number.

It is an amenable number.

244942125121 is a deficient number, since it is larger than the sum of its proper divisors (3355371651).

244942125121 is an equidigital number, since it uses as much as digits as its factorization.

244942125121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355371650.

The product of its digits is 46080, while the sum is 37.

The spelling of 244942125121 in words is "two hundred forty-four billion, nine hundred forty-two million, one hundred twenty-five thousand, one hundred twenty-one".