1252725029 has 8 divisors (see below), whose sum is σ = 1285872000. Its totient is φ = 1219701600.

The previous prime is 1252725011. The next prime is 1252725083. The reversal of 1252725029 is 9205272521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252725029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252725029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252725629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10157 + ... + 51074.

It is an arithmetic number, because the mean of its divisors is an integer number (160734000).

Almost surely, 2^1252725029 is an apocalyptic number.

It is an amenable number.

1252725029 is a deficient number, since it is larger than the sum of its proper divisors (33146971).

1252725029 is an equidigital number, since it uses as much as digits as its factorization.

1252725029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61771.

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

The square root of 1252725029 is about 35393.8558086005. The cubic root of 1252725029 is about 1077.9995631410. Note that the first 3 decimals are identical.

The spelling of 1252725029 in words is "one billion, two hundred fifty-two million, seven hundred twenty-five thousand, twenty-nine".