1265038 has 16 divisors (see below), whose sum is σ = 2080080. Its totient is φ = 574336.

The previous prime is 1265029. The next prime is 1265041. The reversal of 1265038 is 8305621.

It is a happy number.

It is a super-2 number, since 2×1265038² = 3200642282888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345 + ... + 1627.

It is an arithmetic number, because the mean of its divisors is an integer number (130005).

2^1265038 is an apocalyptic number.

1265038 is a deficient number, since it is larger than the sum of its proper divisors (815042).

1265038 is a wasteful number, since it uses less digits than its factorization.

1265038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1265038 is about 1124.7390808539. The cubic root of 1265038 is about 108.1519922142.

The spelling of 1265038 in words is "one million, two hundred sixty-five thousand, thirty-eight".