1265938 has 8 divisors (see below), whose sum is σ = 1903932. Its totient is φ = 631296.

The previous prime is 1265923. The next prime is 1265941. The reversal of 1265938 is 8395621.

It can be written as a sum of positive squares in 2 ways, for example, as 1194649 + 71289 = 1093^2 + 267^2 .

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

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, 606 + ... + 1702.

2^1265938 is an apocalyptic number.

1265938 is a deficient number, since it is larger than the sum of its proper divisors (637994).

1265938 is a wasteful number, since it uses less digits than its factorization.

1265938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676.

The product of its digits is 12960, while the sum is 34.

The square root of 1265938 is about 1125.1391025113. The cubic root of 1265938 is about 108.1776340576.

It can be divided in two parts, 1265 and 938, that multiplied together give a triangular number (1186570 = T₁₅₄₀).

The spelling of 1265938 in words is "one million, two hundred sixty-five thousand, nine hundred thirty-eight".