1260650479 has 24 divisors (see below), whose sum is σ = 1436314880. Its totient is φ = 1104863760.

The previous prime is 1260650449. The next prime is 1260650519. The reversal of 1260650479 is 9740560621.

It is not a de Polignac number, because 1260650479 - 2⁹ = 1260649967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260650429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409504 + ... + 412570.

Almost surely, 2^1260650479 is an apocalyptic number.

1260650479 is a deficient number, since it is larger than the sum of its proper divisors (175664401).

1260650479 is a wasteful number, since it uses less digits than its factorization.

1260650479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211 (or 3200 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1260650479 is about 35505.6401012572. The cubic root of 1260650479 is about 1080.2681315850.

It can be divided in two parts, 1260650 and 479, that added together give a square (1261129 = 1123²).

The spelling of 1260650479 in words is "one billion, two hundred sixty million, six hundred fifty thousand, four hundred seventy-nine".