1315424420 has 24 divisors (see below), whose sum is σ = 2780691648. Its totient is φ = 522684000.

The previous prime is 1315424413. The next prime is 1315424477. The reversal of 1315424420 is 244245131.

It is a self number, because there is not a number n which added to its sum of digits gives 1315424420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214766 + ... + 220805.

It is an arithmetic number, because the mean of its divisors is an integer number (115862152).

Almost surely, 2^1315424420 is an apocalyptic number.

1315424420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315424420 is an abundant number, since it is smaller than the sum of its proper divisors (1465267228).

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

1315424420 is a wasteful number, since it uses less digits than its factorization.

1315424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435731 (or 435729 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1315424420 is about 36268.7802386570. The cubic root of 1315424420 is about 1095.6923597545.

Adding to 1315424420 its reverse (244245131), we get a palindrome (1559669551).

The spelling of 1315424420 in words is "one billion, three hundred fifteen million, four hundred twenty-four thousand, four hundred twenty".