1213740360 has 384 divisors, whose sum is σ = 4823470080. Its totient is φ = 258660864.

The previous prime is 1213740323. The next prime is 1213740377. The reversal of 1213740360 is 630473121.

It is a super-2 number, since 2×1213740360² = 2946331322985859200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2492037 + ... + 2492523.

It is an arithmetic number, because the mean of its divisors is an integer number (12561120).

Almost surely, 2^1213740360 is an apocalyptic number.

1213740360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213740360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2411735040).

1213740360 is an abundant number, since it is smaller than the sum of its proper divisors (3609729720).

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

1213740360 is a wasteful number, since it uses less digits than its factorization.

1213740360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1213740360 is about 34838.7766719786. The cubic root of 1213740360 is about 1066.6991062183.

The spelling of 1213740360 in words is "one billion, two hundred thirteen million, seven hundred forty thousand, three hundred sixty".