1252504079 has 4 divisors (see below), whose sum is σ = 1260798960. Its totient is φ = 1244209200.

The previous prime is 1252504069. The next prime is 1252504103. The reversal of 1252504079 is 9704052521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9704052521 = 23 ⋅421915327.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252504079 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 (1252504009) 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, 4147214 + ... + 4147515.

It is an arithmetic number, because the mean of its divisors is an integer number (315199740).

Almost surely, 2^1252504079 is an apocalyptic number.

1252504079 is a deficient number, since it is larger than the sum of its proper divisors (8294881).

1252504079 is an equidigital number, since it uses as much as digits as its factorization.

1252504079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8294880.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 1252504079 is about 35390.7343664977. The cubic root of 1252504079 is about 1077.9361818448.

The spelling of 1252504079 in words is "one billion, two hundred fifty-two million, five hundred four thousand, seventy-nine".