123411140 has 12 divisors (see below), whose sum is σ = 259163436. Its totient is φ = 49364448.

The previous prime is 123411139. The next prime is 123411149. The reversal of 123411140 is 41114321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85858756 + 37552384 = 9266^2 + 6128^2 .

It is not an unprimeable number, because it can be changed into a prime (123411149) 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, 3085259 + ... + 3085298.

It is an arithmetic number, because the mean of its divisors is an integer number (21596953).

Almost surely, 2^123411140 is an apocalyptic number.

123411140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123411140 is an abundant number, since it is smaller than the sum of its proper divisors (135752296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123411140 is a wasteful number, since it uses less digits than its factorization.

123411140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6170566 (or 6170564 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 123411140 is about 11109.0566656220. The cubic root of 123411140 is about 497.8724801585.

Adding to 123411140 its reverse (41114321), we get a palindrome (164525461).

The spelling of 123411140 in words is "one hundred twenty-three million, four hundred eleven thousand, one hundred forty".