1252717442 has 8 divisors (see below), whose sum is σ = 1891520832. Its totient is φ = 622210500.

The previous prime is 1252717421. The next prime is 1252717469. The reversal of 1252717442 is 2447172521.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2073734 + ... + 2074337.

It is an arithmetic number, because the mean of its divisors is an integer number (236440104).

Almost surely, 2^1252717442 is an apocalyptic number.

1252717442 is a deficient number, since it is larger than the sum of its proper divisors (638803390).

1252717442 is a wasteful number, since it uses less digits than its factorization.

1252717442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148224.

The product of its digits is 31360, while the sum is 35.

The square root of 1252717442 is about 35393.7486288186. The cubic root of 1252717442 is about 1077.9973868722.

Adding to 1252717442 its reverse (2447172521), we get a palindrome (3699889963).

The spelling of 1252717442 in words is "one billion, two hundred fifty-two million, seven hundred seventeen thousand, four hundred forty-two".