1320262113 has 16 divisors (see below), whose sum is σ = 1771600896. Its totient is φ = 874565760.

The previous prime is 1320262103. The next prime is 1320262133. The reversal of 1320262113 is 3112620231.

It is not a de Polignac number, because 1320262113 - 2⁵ = 1320262081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1320262113.

It is not an unprimeable number, because it can be changed into a prime (1320262103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387648 + ... + 391038.

It is an arithmetic number, because the mean of its divisors is an integer number (110725056).

Almost surely, 2^1320262113 is an apocalyptic number.

It is an amenable number.

1320262113 is a deficient number, since it is larger than the sum of its proper divisors (451338783).

1320262113 is a wasteful number, since it uses less digits than its factorization.

1320262113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1320262113 is about 36335.4112815584. The cubic root of 1320262113 is about 1097.0339137165.

Adding to 1320262113 its reverse (3112620231), we get a palindrome (4432882344).

The spelling of 1320262113 in words is "one billion, three hundred twenty million, two hundred sixty-two thousand, one hundred thirteen".