123641054 has 16 divisors (see below), whose sum is σ = 193929120. Its totient is φ = 59121040.

The previous prime is 123641029. The next prime is 123641059. The reversal of 123641054 is 450146321.

It is a super-2 number, since 2×123641054² = 30574220468461832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123641059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21794 + ... + 26874.

It is an arithmetic number, because the mean of its divisors is an integer number (12120570).

Almost surely, 2^123641054 is an apocalyptic number.

123641054 is a deficient number, since it is larger than the sum of its proper divisors (70288066).

123641054 is an frugal number, since it uses more digits than its factorization.

123641054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5152 (or 5106 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 123641054 is about 11119.3998938792. The cubic root of 123641054 is about 498.1814658860.

Adding to 123641054 its reverse (450146321), we get a palindrome (573787375).

The spelling of 123641054 in words is "one hundred twenty-three million, six hundred forty-one thousand, fifty-four".