1260641013 has 16 divisors (see below), whose sum is σ = 1774361280. Its totient is φ = 793926144.

The previous prime is 1260640993. The next prime is 1260641029. The reversal of 1260641013 is 3101460621.

It is not a de Polignac number, because 1260641013 - 2⁸ = 1260640757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260641033) 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, 11206 + ... + 51447.

It is an arithmetic number, because the mean of its divisors is an integer number (110897580).

Almost surely, 2^1260641013 is an apocalyptic number.

It is an amenable number.

1260641013 is a deficient number, since it is larger than the sum of its proper divisors (513720267).

1260641013 is a wasteful number, since it uses less digits than its factorization.

1260641013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63028.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1260641013 is about 35505.5067982419. The cubic root of 1260641013 is about 1080.2654277313.

The spelling of 1260641013 in words is "one billion, two hundred sixty million, six hundred forty-one thousand, thirteen".