1265497 has 4 divisors (see below), whose sum is σ = 1339956. Its totient is φ = 1191040.

The previous prime is 1265479. The next prime is 1265503. The reversal of 1265497 is 7945621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 524176 + 741321 = 724^2 + 861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1265497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1265477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37204 + ... + 37237.

It is an arithmetic number, because the mean of its divisors is an integer number (334989).

2^1265497 is an apocalyptic number.

1265497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1265497 is a deficient number, since it is larger than the sum of its proper divisors (74459).

1265497 is an equidigital number, since it uses as much as digits as its factorization.

1265497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74458.

The product of its digits is 15120, while the sum is 34.

The square root of 1265497 is about 1124.9431096727. The cubic root of 1265497 is about 108.1650710734.

The spelling of 1265497 in words is "one million, two hundred sixty-five thousand, four hundred ninety-seven".