246144121 has 2 divisors, whose sum is σ = 246144122. Its totient is φ = 246144120.

The previous prime is 246144113. The next prime is 246144133. The reversal of 246144121 is 121441642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245360896 + 783225 = 15664^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 246144121 - 2³ = 246144113 is a prime.

It is not a weakly prime, because it can be changed into another prime (246144421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123072060 + 123072061.

It is an arithmetic number, because the mean of its divisors is an integer number (123072061).

Almost surely, 2^246144121 is an apocalyptic number.

It is an amenable number.

246144121 is a deficient number, since it is larger than the sum of its proper divisors (1).

246144121 is an equidigital number, since it uses as much as digits as its factorization.

246144121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 25.

The square root of 246144121 is about 15688.9808783107. The cubic root of 246144121 is about 626.7049944806.

Adding to 246144121 its reverse (121441642), we get a palindrome (367585763).

The spelling of 246144121 in words is "two hundred forty-six million, one hundred forty-four thousand, one hundred twenty-one".