1320425415 has 32 divisors (see below), whose sum is σ = 2350460160. Its totient is φ = 703315872.

The previous prime is 1320425341. The next prime is 1320425437. The reversal of 1320425415 is 5145240231.

It is not a de Polignac number, because 1320425415 - 2¹¹ = 1320423367 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105732 + ... + 117558.

It is an arithmetic number, because the mean of its divisors is an integer number (73451880).

Almost surely, 2^1320425415 is an apocalyptic number.

1320425415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1320425415 is a deficient number, since it is larger than the sum of its proper divisors (1030034745).

1320425415 is a wasteful number, since it uses less digits than its factorization.

1320425415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12668 (or 12662 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1320425415 is about 36337.6583587881. The cubic root of 1320425415 is about 1097.0791422219.

Adding to 1320425415 its reverse (5145240231), we get a palindrome (6465665646).

The spelling of 1320425415 in words is "one billion, three hundred twenty million, four hundred twenty-five thousand, four hundred fifteen".