123460540 has 96 divisors (see below), whose sum is σ = 313528320. Its totient is φ = 39938304.

The previous prime is 123460529. The next prime is 123460567. The reversal of 123460540 is 45064321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190497 + ... + 191143.

It is an arithmetic number, because the mean of its divisors is an integer number (3265920).

Almost surely, 2^123460540 is an apocalyptic number.

123460540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123460540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156764160).

123460540 is an abundant number, since it is smaller than the sum of its proper divisors (190067780).

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

123460540 is a wasteful number, since it uses less digits than its factorization.

123460540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 123460540 is about 11111.2798542742. The cubic root of 123460540 is about 497.9389020919.

The spelling of 123460540 in words is "one hundred twenty-three million, four hundred sixty thousand, five hundred forty".