1275898 has 16 divisors (see below), whose sum is σ = 2128896. Its totient is φ = 569520.

The previous prime is 1275893. The next prime is 1275899. The reversal of 1275898 is 8985721.

It is a d-powerful number, because it can be written as 1 + 2¹⁷ + 7⁷ + 5² + 8² + 9⁵ + 8⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 1275898.

It is not an unprimeable number, because it can be changed into a prime (1275893) 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, 15 + ... + 1597.

It is an arithmetic number, because the mean of its divisors is an integer number (133056).

2^1275898 is an apocalyptic number.

1275898 is a deficient number, since it is larger than the sum of its proper divisors (852998).

1275898 is a wasteful number, since it uses less digits than its factorization.

1275898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629.

The product of its digits is 40320, while the sum is 40.

The square root of 1275898 is about 1129.5565501559. The cubic root of 1275898 is about 108.4605957416.

The spelling of 1275898 in words is "one million, two hundred seventy-five thousand, eight hundred ninety-eight".