1315412420 has 48 divisors (see below), whose sum is σ = 3175296768. Its totient is φ = 448383360.

The previous prime is 1315412393. The next prime is 1315412473. The reversal of 1315412420 is 242145131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2936 + ... + 51375.

It is an arithmetic number, because the mean of its divisors is an integer number (66152016).

Almost surely, 2^1315412420 is an apocalyptic number.

1315412420 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 1315412420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1587648384).

1315412420 is an abundant number, since it is smaller than the sum of its proper divisors (1859884348).

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

1315412420 is a wasteful number, since it uses less digits than its factorization.

1315412420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54500 (or 54498 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1315412420 is about 36268.6148067444. The cubic root of 1315412420 is about 1095.6890279152.

Adding to 1315412420 its reverse (242145131), we get a palindrome (1557557551).

The spelling of 1315412420 in words is "one billion, three hundred fifteen million, four hundred twelve thousand, four hundred twenty".