1252052439 has 8 divisors (see below), whose sum is σ = 1821167232. Its totient is φ = 758819640.

The previous prime is 1252052437. The next prime is 1252052441. The reversal of 1252052439 is 9342502521.

1252052439 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1252052437) and next prime (1252052441).

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

It is not a de Polignac number, because 1252052439 - 2¹ = 1252052437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 37940983 = 1252052439 / (1 + 2 + 5 + 2 + 0 + 5 + 2 + 4 + 3 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252052437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18970459 + ... + 18970524.

It is an arithmetic number, because the mean of its divisors is an integer number (227645904).

Almost surely, 2^1252052439 is an apocalyptic number.

1252052439 is a deficient number, since it is larger than the sum of its proper divisors (569114793).

1252052439 is a wasteful number, since it uses less digits than its factorization.

1252052439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37940997.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1252052439 is about 35384.3530250307. The cubic root of 1252052439 is about 1077.8066020605.

The spelling of 1252052439 in words is "one billion, two hundred fifty-two million, fifty-two thousand, four hundred thirty-nine".