1252124722 has 4 divisors (see below), whose sum is σ = 1878187086. Its totient is φ = 626062360.

The previous prime is 1252124717. The next prime is 1252124723. The reversal of 1252124722 is 2274212521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 814017961 + 438106761 = 28531^2 + 20931^2 .

It is not an unprimeable number, because it can be changed into a prime (1252124723) 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 as a sum of consecutive naturals, namely, 313031179 + ... + 313031182.

Almost surely, 2^1252124722 is an apocalyptic number.

1252124722 is a deficient number, since it is larger than the sum of its proper divisors (626062364).

1252124722 is an equidigital number, since it uses as much as digits as its factorization.

1252124722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626062363.

The product of its digits is 4480, while the sum is 28.

The square root of 1252124722 is about 35385.3744080800. The cubic root of 1252124722 is about 1077.8273428306.

The spelling of 1252124722 in words is "one billion, two hundred fifty-two million, one hundred twenty-four thousand, seven hundred twenty-two".