2601381123 has 32 divisors (see below), whose sum is σ = 4451569920. Its totient is φ = 1483850880.

The previous prime is 2601381109. The next prime is 2601381127. The reversal of 2601381123 is 3211831062.

It is a happy number.

2601381123 is a `hidden beast` number, since 2 + 601 + 38 + 1 + 1 + 23 = 666.

2601381123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2601381123 - 2²⁵ = 2567826691 is a prime.

It is a super-2 number, since 2×2601381123² = 13534367494201482258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2601381127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252565 + ... + 262662.

It is an arithmetic number, because the mean of its divisors is an integer number (139111560).

Almost surely, 2^2601381123 is an apocalyptic number.

2601381123 is a deficient number, since it is larger than the sum of its proper divisors (1850188797).

2601381123 is a wasteful number, since it uses less digits than its factorization.

2601381123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515264 (or 515258 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2601381123 is about 51003.7363631332. The cubic root of 2601381123 is about 1375.3123033643.

The spelling of 2601381123 in words is "two billion, six hundred one million, three hundred eighty-one thousand, one hundred twenty-three".