2436121 has 2 divisors, whose sum is σ = 2436122. Its totient is φ = 2436120.

The previous prime is 2436113. The next prime is 2436131. The reversal of 2436121 is 1216342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2368521 + 67600 = 1539^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2436121 - 2³ = 2436113 is a prime.

It is an Ulam number.

2436121 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2436131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1218060 + 1218061.

It is an arithmetic number, because the mean of its divisors is an integer number (1218061).

2^2436121 is an apocalyptic number.

It is an amenable number.

2436121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2436121 is an equidigital number, since it uses as much as digits as its factorization.

2436121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 2436121 is about 1560.8078036709. The cubic root of 2436121 is about 134.5549311977.

The spelling of 2436121 in words is "two million, four hundred thirty-six thousand, one hundred twenty-one".