1265153 has 4 divisors (see below), whose sum is σ = 1331760. Its totient is φ = 1198548.

The previous prime is 1265129. The next prime is 1265167. The reversal of 1265153 is 3515621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3515621 = 1873 ⋅1877.

It is a cyclic number.

It is not a de Polignac number, because 1265153 - 2⁸ = 1264897 is a prime.

It is a super-2 number, since 2×1265153² = 3201224226818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1265113) 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, 33275 + ... + 33312.

It is an arithmetic number, because the mean of its divisors is an integer number (332940).

2^1265153 is an apocalyptic number.

It is an amenable number.

1265153 is a deficient number, since it is larger than the sum of its proper divisors (66607).

1265153 is an equidigital number, since it uses as much as digits as its factorization.

1265153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66606.

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

The square root of 1265153 is about 1124.7902026600. The cubic root of 1265153 is about 108.1552693496.

The spelling of 1265153 in words is "one million, two hundred sixty-five thousand, one hundred fifty-three".