1265135 has 8 divisors (see below), whose sum is σ = 1535760. Its totient is φ = 1000384.

The previous prime is 1265129. The next prime is 1265167. The reversal of 1265135 is 5315621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1265135 - 2⁴ = 1265119 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1265135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977 + ... + 1866.

It is an arithmetic number, because the mean of its divisors is an integer number (191970).

2^1265135 is an apocalyptic number.

1265135 is a deficient number, since it is larger than the sum of its proper divisors (270625).

1265135 is an equidigital number, since it uses as much as digits as its factorization.

1265135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937.

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

The square root of 1265135 is about 1124.7822011394. The cubic root of 1265135 is about 108.1547564197.

The spelling of 1265135 in words is "one million, two hundred sixty-five thousand, one hundred thirty-five".