123417054 has 32 divisors (see below), whose sum is σ = 275358240. Its totient is φ = 40974336.

The previous prime is 123417053. The next prime is 123417109. The reversal of 123417054 is 450714321.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123417053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9432 + ... + 18324.

It is an arithmetic number, because the mean of its divisors is an integer number (8604945).

Almost surely, 2^123417054 is an apocalyptic number.

123417054 is an abundant number, since it is smaller than the sum of its proper divisors (151941186).

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

123417054 is a wasteful number, since it uses less digits than its factorization.

123417054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9161 (or 9155 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 123417054 is about 11109.3228416497. The cubic root of 123417054 is about 497.8804329003.

The spelling of 123417054 in words is "one hundred twenty-three million, four hundred seventeen thousand, fifty-four".