1249710318 has 24 divisors (see below), whose sum is σ = 2708593056. Its totient is φ = 416433600.

The previous prime is 1249710317. The next prime is 1249710349. The reversal of 1249710318 is 8130179421.

It is a happy number.

1249710318 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1249710318² = 3123551757831322248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249710317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55798 + ... + 74918.

It is an arithmetic number, because the mean of its divisors is an integer number (112858044).

Almost surely, 2^1249710318 is an apocalyptic number.

1249710318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1249710318 is an abundant number, since it is smaller than the sum of its proper divisors (1458882738).

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

1249710318 is a wasteful number, since it uses less digits than its factorization.

1249710318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22760 (or 22757 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1249710318 is about 35351.2420998188. The cubic root of 1249710318 is about 1077.1341251270.

Adding to 1249710318 its reverse (8130179421), we get a palindrome (9379889739).

The spelling of 1249710318 in words is "one billion, two hundred forty-nine million, seven hundred ten thousand, three hundred eighteen".