1316724120 has 256 divisors, whose sum is σ = 4809456000. Its totient is φ = 318947328.

The previous prime is 1316724119. The next prime is 1316724121. The reversal of 1316724120 is 214276131.

It is an interprime number because it is at equal distance from previous prime (1316724119) and next prime (1316724121).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316724121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 531204 + ... + 533676.

Almost surely, 2^1316724120 is an apocalyptic number.

1316724120 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 1316724120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2404728000).

1316724120 is an abundant number, since it is smaller than the sum of its proper divisors (3492731880).

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

1316724120 is a wasteful number, since it uses less digits than its factorization.

1316724120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539 (or 2529 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1316724120 is about 36286.6934288590. The cubic root of 1316724120 is about 1096.0531058325.

The spelling of 1316724120 in words is "one billion, three hundred sixteen million, seven hundred twenty-four thousand, one hundred twenty".