1315633120 has 48 divisors (see below), whose sum is σ = 3243330720. Its totient is φ = 503371264.

The previous prime is 1315633073. The next prime is 1315633129. The reversal of 1315633120 is 213365131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315633129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175075 + ... + 182434.

It is an arithmetic number, because the mean of its divisors is an integer number (67569390).

Almost surely, 2^1315633120 is an apocalyptic number.

1315633120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315633120 is an abundant number, since it is smaller than the sum of its proper divisors (1927697600).

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

1315633120 is a wasteful number, since it uses less digits than its factorization.

1315633120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357547 (or 357539 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1315633120 is about 36271.6572546665. The cubic root of 1315633120 is about 1095.7503027524.

Adding to 1315633120 its reverse (213365131), we get a palindrome (1528998251).

The spelling of 1315633120 in words is "one billion, three hundred fifteen million, six hundred thirty-three thousand, one hundred twenty".