123480105 has 32 divisors (see below), whose sum is σ = 227884800. Its totient is φ = 55924992.

The previous prime is 123480103. The next prime is 123480109. The reversal of 123480105 is 501084321.

It is not a de Polignac number, because 123480105 - 2¹ = 123480103 is a prime.

It is a super-2 number, since 2×123480105² = 30494672661622050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123480103) 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, 6051 + ... + 16839.

It is an arithmetic number, because the mean of its divisors is an integer number (7121400).

Almost surely, 2^123480105 is an apocalyptic number.

123480105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123480105 is a deficient number, since it is larger than the sum of its proper divisors (104404695).

123480105 is a wasteful number, since it uses less digits than its factorization.

123480105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10913.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 123480105 is about 11112.1602310262. The cubic root of 123480105 is about 497.9652037751.

The spelling of 123480105 in words is "one hundred twenty-three million, four hundred eighty thousand, one hundred five".