1265351 has 4 divisors (see below), whose sum is σ = 1272600. Its totient is φ = 1258104.

The previous prime is 1265347. The next prime is 1265353. The reversal of 1265351 is 1535621.

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

It is a cyclic number.

It is not a de Polignac number, because 1265351 - 2² = 1265347 is a prime.

It is a super-2 number, since 2×1265351² = 3202226306402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265353) 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, 3356 + ... + 3713.

It is an arithmetic number, because the mean of its divisors is an integer number (318150).

2^1265351 is an apocalyptic number.

1265351 is a deficient number, since it is larger than the sum of its proper divisors (7249).

1265351 is an equidigital number, since it uses as much as digits as its factorization.

1265351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7248.

The product of its digits is 900, while the sum is 23.

The square root of 1265351 is about 1124.8782156305. The cubic root of 1265351 is about 108.1609112564.

The spelling of 1265351 in words is "one million, two hundred sixty-five thousand, three hundred fifty-one".