123725394 has 48 divisors (see below), whose sum is σ = 299400192. Its totient is φ = 38067408.

The previous prime is 123725389. The next prime is 123725411. The reversal of 123725394 is 493527321.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3474 + ... + 16109.

It is an arithmetic number, because the mean of its divisors is an integer number (6237504).

Almost surely, 2^123725394 is an apocalyptic number.

123725394 is an abundant number, since it is smaller than the sum of its proper divisors (175674798).

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

123725394 is a wasteful number, since it uses less digits than its factorization.

123725394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19613 (or 19601 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 123725394 is about 11123.1917182075. The cubic root of 123725394 is about 498.2947159579.

It can be divided in two parts, 12372 and 5394, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 123725394 in words is "one hundred twenty-three million, seven hundred twenty-five thousand, three hundred ninety-four".