1265158 has 8 divisors (see below), whose sum is σ = 1902528. Its totient is φ = 630984.

The previous prime is 1265129. The next prime is 1265167. The reversal of 1265158 is 8515621.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035 + ... + 1897.

It is an arithmetic number, because the mean of its divisors is an integer number (237816).

2^1265158 is an apocalyptic number.

1265158 is a deficient number, since it is larger than the sum of its proper divisors (637370).

1265158 is an equidigital number, since it uses as much as digits as its factorization.

1265158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598.

The product of its digits is 2400, while the sum is 28.

The square root of 1265158 is about 1124.7924252946. The cubic root of 1265158 is about 108.1554118292.

The spelling of 1265158 in words is "one million, two hundred sixty-five thousand, one hundred fifty-eight".