1295138 has 16 divisors (see below), whose sum is σ = 2115960. Its totient is φ = 590976.

The previous prime is 1295137. The next prime is 1295159. The reversal of 1295138 is 8315921.

It can be written as a sum of positive squares in 4 ways, for example, as 1194649 + 100489 = 1093^2 + 317^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1295138.

It is not an unprimeable number, because it can be changed into a prime (1295131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2606 + ... + 3062.

2^1295138 is an apocalyptic number.

1295138 is a deficient number, since it is larger than the sum of its proper divisors (820822).

1295138 is a wasteful number, since it uses less digits than its factorization.

1295138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581.

The product of its digits is 2160, while the sum is 29.

The square root of 1295138 is about 1138.0412997778. The cubic root of 1295138 is about 109.0030580182.

The spelling of 1295138 in words is "one million, two hundred ninety-five thousand, one hundred thirty-eight".