244122121 has 8 divisors (see below), whose sum is σ = 245897288. Its totient is φ = 242352000.

The previous prime is 244122119. The next prime is 244122133. The reversal of 244122121 is 121221442.

It can be written as a sum of positive squares in 4 ways, for example, as 28472896 + 215649225 = 5336^2 + 14685^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244122121 - 2¹ = 244122119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244122101) 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, 184141 + ... + 185461.

It is an arithmetic number, because the mean of its divisors is an integer number (30737161).

Almost surely, 2^244122121 is an apocalyptic number.

It is an amenable number.

244122121 is a deficient number, since it is larger than the sum of its proper divisors (1775167).

244122121 is a wasteful number, since it uses less digits than its factorization.

244122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523.

The product of its digits is 256, while the sum is 19.

The square root of 244122121 is about 15624.4078607799. The cubic root of 244122121 is about 624.9842095211.

Adding to 244122121 its reverse (121221442), we get a palindrome (365343563).

The spelling of 244122121 in words is "two hundred forty-four million, one hundred twenty-two thousand, one hundred twenty-one".