1252750039 has 8 divisors (see below), whose sum is σ = 1339101792. Its totient is φ = 1169055360.

The previous prime is 1252750019. The next prime is 1252750061. The reversal of 1252750039 is 9300572521.

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 1252750039 - 2²⁹ = 715879127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252749986 and 1252750013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252750019) 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, 663294 + ... + 665179.

It is an arithmetic number, because the mean of its divisors is an integer number (167387724).

Almost surely, 2^1252750039 is an apocalyptic number.

1252750039 is a deficient number, since it is larger than the sum of its proper divisors (86351753).

1252750039 is a wasteful number, since it uses less digits than its factorization.

1252750039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328537.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 1252750039 is about 35394.2091167468. The cubic root of 1252750039 is about 1078.0067369924.

The spelling of 1252750039 in words is "one billion, two hundred fifty-two million, seven hundred fifty thousand, thirty-nine".