1252236208 has 10 divisors (see below), whose sum is σ = 2426207684. Its totient is φ = 626118096.

The previous prime is 1252236203. The next prime is 1252236217. The reversal of 1252236208 is 8026322521.

It is a self number, because there is not a number n which added to its sum of digits gives 1252236208.

It is not an unprimeable number, because it can be changed into a prime (1252236203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39132366 + ... + 39132397.

Almost surely, 2^1252236208 is an apocalyptic number.

It is an amenable number.

1252236208 is a deficient number, since it is larger than the sum of its proper divisors (1173971476).

1252236208 is an equidigital number, since it uses as much as digits as its factorization.

1252236208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78264771 (or 78264765 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1252236208 is about 35386.9496848768. The cubic root of 1252236208 is about 1077.8593308829.

Adding to 1252236208 its reverse (8026322521), we get a palindrome (9278558729).

The spelling of 1252236208 in words is "one billion, two hundred fifty-two million, two hundred thirty-six thousand, two hundred eight".