1265564 has 6 divisors (see below), whose sum is σ = 2214744. Its totient is φ = 632780.

The previous prime is 1265557. The next prime is 1265573. The reversal of 1265564 is 4655621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158192 + ... + 158199.

It is an arithmetic number, because the mean of its divisors is an integer number (369124).

2^1265564 is an apocalyptic number.

It is an amenable number.

1265564 is a deficient number, since it is larger than the sum of its proper divisors (949180).

1265564 is a wasteful number, since it uses less digits than its factorization.

1265564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316395 (or 316393 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 1265564 is about 1124.9728885622. The cubic root of 1265564 is about 108.1669799234.

The spelling of 1265564 in words is "one million, two hundred sixty-five thousand, five hundred sixty-four".