123105460 has 48 divisors (see below), whose sum is σ = 262906560. Its totient is φ = 48416000.

The previous prime is 123105457. The next prime is 123105461. The reversal of 123105460 is 64501321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123105461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490335 + ... + 490585.

It is an arithmetic number, because the mean of its divisors is an integer number (5477220).

Almost surely, 2^123105460 is an apocalyptic number.

123105460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123105460 is an abundant number, since it is smaller than the sum of its proper divisors (139801100).

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

123105460 is a wasteful number, since it uses less digits than its factorization.

123105460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 123105460 is about 11095.2899917037. The cubic root of 123105460 is about 497.4610762204.

Adding to 123105460 its reverse (64501321), we get a palindrome (187606781).

The spelling of 123105460 in words is "one hundred twenty-three million, one hundred five thousand, four hundred sixty".