1265164 has 6 divisors (see below), whose sum is σ = 2214044. Its totient is φ = 632580.

The previous prime is 1265129. The next prime is 1265167. The reversal of 1265164 is 4615621.

It is not an unprimeable number, because it can be changed into a prime (1265167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158142 + ... + 158149.

2^1265164 is an apocalyptic number.

It is an amenable number.

1265164 is a deficient number, since it is larger than the sum of its proper divisors (948880).

1265164 is a wasteful number, since it uses less digits than its factorization.

1265164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316295 (or 316293 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 1265164 is about 1124.7950924502. The cubic root of 1265164 is about 108.1555828043.

The spelling of 1265164 in words is "one million, two hundred sixty-five thousand, one hundred sixty-four".