1252679 has 8 divisors (see below), whose sum is σ = 1369728. Its totient is φ = 1140480.

The previous prime is 1252663. The next prime is 1252681. The reversal of 1252679 is 9762521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1252679 - 2⁴ = 1252663 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252609) by changing a digit.

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, 662 + ... + 1715.

It is an arithmetic number, because the mean of its divisors is an integer number (171216).

2^1252679 is an apocalyptic number.

1252679 is a deficient number, since it is larger than the sum of its proper divisors (117049).

1252679 is a wasteful number, since it uses less digits than its factorization.

1252679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425.

The product of its digits is 7560, while the sum is 32.

The square root of 1252679 is about 1119.2314327252. The cubic root of 1252679 is about 107.7986359964.

The spelling of 1252679 in words is "one million, two hundred fifty-two thousand, six hundred seventy-nine".