1251252246 has 16 divisors (see below), whose sum is σ = 2530623600. Its totient is φ = 412397568.

The previous prime is 1251252229. The next prime is 1251252259. The reversal of 1251252246 is 6422521521.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1171051 + ... + 1172118.

It is an arithmetic number, because the mean of its divisors is an integer number (158163975).

Almost surely, 2^1251252246 is an apocalyptic number.

1251252246 is an abundant number, since it is smaller than the sum of its proper divisors (1279371354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1251252246 is a wasteful number, since it uses less digits than its factorization.

1251252246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343263.

The product of its digits is 9600, while the sum is 30.

The square root of 1251252246 is about 35373.0440590006. The cubic root of 1251252246 is about 1077.5769425911.

Adding to 1251252246 its reverse (6422521521), we get a palindrome (7673773767).

The spelling of 1251252246 in words is "one billion, two hundred fifty-one million, two hundred fifty-two thousand, two hundred forty-six".