264492121 has 2 divisors, whose sum is σ = 264492122. Its totient is φ = 264492120.

The previous prime is 264492073. The next prime is 264492133. The reversal of 264492121 is 121294462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139499721 + 124992400 = 11811^2 + 11180^2 .

It is a cyclic number.

It is not a de Polignac number, because 264492121 - 2¹⁵ = 264459353 is a prime.

It is not a weakly prime, because it can be changed into another prime (264492161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132246060 + 132246061.

It is an arithmetic number, because the mean of its divisors is an integer number (132246061).

Almost surely, 2^264492121 is an apocalyptic number.

It is an amenable number.

264492121 is a deficient number, since it is larger than the sum of its proper divisors (1).

264492121 is an equidigital number, since it uses as much as digits as its factorization.

264492121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 264492121 is about 16263.2137352984. The cubic root of 264492121 is about 641.9052284222.

The spelling of 264492121 in words is "two hundred sixty-four million, four hundred ninety-two thousand, one hundred twenty-one".