1264909 has 2 divisors, whose sum is σ = 1264910. Its totient is φ = 1264908.

The previous prime is 1264903. The next prime is 1264933. The reversal of 1264909 is 9094621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1102500 + 162409 = 1050^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 1264909 - 2⁵ = 1264877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632454 + 632455.

It is an arithmetic number, because the mean of its divisors is an integer number (632455).

2^1264909 is an apocalyptic number.

It is an amenable number.

1264909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264909 is an equidigital number, since it uses as much as digits as its factorization.

1264909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1264909 is about 1124.6817327582. The cubic root of 1264909 is about 108.1483158869.

The spelling of 1264909 in words is "one million, two hundred sixty-four thousand, nine hundred nine".