1254879 has 8 divisors (see below), whose sum is σ = 1859120. Its totient is φ = 836568.

The previous prime is 1254863. The next prime is 1254899. The reversal of 1254879 is 9784521.

1254879 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 1254879 - 2⁴ = 1254863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23212 + ... + 23265.

It is an arithmetic number, because the mean of its divisors is an integer number (232390).

2^1254879 is an apocalyptic number.

1254879 is a deficient number, since it is larger than the sum of its proper divisors (604241).

1254879 is an equidigital number, since it uses as much as digits as its factorization.

1254879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46486 (or 46480 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1254879 is about 1120.2138188757. The cubic root of 1254879 is about 107.8617057054.

The spelling of 1254879 in words is "one million, two hundred fifty-four thousand, eight hundred seventy-nine".