1265426 has 4 divisors (see below), whose sum is σ = 1898142. Its totient is φ = 632712.

The previous prime is 1265393. The next prime is 1265431. The reversal of 1265426 is 6245621.

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

It can be written as a sum of positive squares in only one way, i.e., 1243225 + 22201 = 1115^2 + 149^2 .

It is a super-2 number, since 2×1265426² = 3202605922952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1265395 and 1265404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316355 + ... + 316358.

2^1265426 is an apocalyptic number.

1265426 is a deficient number, since it is larger than the sum of its proper divisors (632716).

1265426 is an equidigital number, since it uses as much as digits as its factorization.

1265426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632715.

The product of its digits is 2880, while the sum is 26.

The square root of 1265426 is about 1124.9115520787. The cubic root of 1265426 is about 108.1630481887.

The spelling of 1265426 in words is "one million, two hundred sixty-five thousand, four hundred twenty-six".