1320514601 has 4 divisors (see below), whose sum is σ = 1509159552. Its totient is φ = 1131869652.

The previous prime is 1320514589. The next prime is 1320514619. The reversal of 1320514601 is 1064150231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1064150231 = 3163 ⋅336437.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320514601 is a prime.

It is a super-2 number, since 2×1320514601² = 3487517622908378402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320514621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94322465 + ... + 94322478.

It is an arithmetic number, because the mean of its divisors is an integer number (377289888).

Almost surely, 2^1320514601 is an apocalyptic number.

It is an amenable number.

1320514601 is a deficient number, since it is larger than the sum of its proper divisors (188644951).

1320514601 is an equidigital number, since it uses as much as digits as its factorization.

1320514601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188644950.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1320514601 is about 36338.8855222611. The cubic root of 1320514601 is about 1097.1038418115.

Adding to 1320514601 its reverse (1064150231), we get a palindrome (2384664832).

The spelling of 1320514601 in words is "one billion, three hundred twenty million, five hundred fourteen thousand, six hundred one".