1252434863 has 8 divisors (see below), whose sum is σ = 1327482432. Its totient is φ = 1177540096.

The previous prime is 1252434839. The next prime is 1252434871. The reversal of 1252434863 is 3684342521.

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 1252434863 - 2¹⁰ = 1252433839 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 (1252434823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21095 + ... + 54312.

It is an arithmetic number, because the mean of its divisors is an integer number (165935304).

Almost surely, 2^1252434863 is an apocalyptic number.

1252434863 is a deficient number, since it is larger than the sum of its proper divisors (75047569).

1252434863 is an equidigital number, since it uses as much as digits as its factorization.

1252434863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76401.

The product of its digits is 138240, while the sum is 38.

The square root of 1252434863 is about 35389.7564699165. The cubic root of 1252434863 is about 1077.9163251417.

The spelling of 1252434863 in words is "one billion, two hundred fifty-two million, four hundred thirty-four thousand, eight hundred sixty-three".