2601123259 has 4 divisors (see below), whose sum is σ = 2972712304. Its totient is φ = 2229534216.

The previous prime is 2601123257. The next prime is 2601123289. The reversal of 2601123259 is 9523211062.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2601123259 - 2¹ = 2601123257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2601123259.

It is not an unprimeable number, because it can be changed into a prime (2601123251) 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, 185794512 + ... + 185794525.

It is an arithmetic number, because the mean of its divisors is an integer number (743178076).

Almost surely, 2^2601123259 is an apocalyptic number.

2601123259 is a deficient number, since it is larger than the sum of its proper divisors (371589045).

2601123259 is an equidigital number, since it uses as much as digits as its factorization.

2601123259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371589044.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2601123259 is about 51001.2084072525. The cubic root of 2601123259 is about 1375.2668588826.

The spelling of 2601123259 in words is "two billion, six hundred one million, one hundred twenty-three thousand, two hundred fifty-nine".