1254979 has 4 divisors (see below), whose sum is σ = 1369080. Its totient is φ = 1140880.

The previous prime is 1254971. The next prime is 1254983. The reversal of 1254979 is 9794521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1254979 - 2³ = 1254971 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (1254971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57034 + ... + 57055.

It is an arithmetic number, because the mean of its divisors is an integer number (342270).

2^1254979 is an apocalyptic number.

1254979 is a deficient number, since it is larger than the sum of its proper divisors (114101).

1254979 is a wasteful number, since it uses less digits than its factorization.

1254979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114100.

The product of its digits is 22680, while the sum is 37.

The square root of 1254979 is about 1120.2584523225. The cubic root of 1254979 is about 107.8645707583.

The spelling of 1254979 in words is "one million, two hundred fifty-four thousand, nine hundred seventy-nine".