123250406 has 16 divisors (see below), whose sum is σ = 192659040. Its totient is φ = 59062080.

The previous prime is 123250363. The next prime is 123250409. The reversal of 123250406 is 604052321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123250409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191 + ... + 15701.

It is an arithmetic number, because the mean of its divisors is an integer number (12041190).

Almost surely, 2^123250406 is an apocalyptic number.

123250406 is a deficient number, since it is larger than the sum of its proper divisors (69408634).

123250406 is a wasteful number, since it uses less digits than its factorization.

123250406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15679.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 123250406 is about 11101.8199408926. The cubic root of 123250406 is about 497.6562387326.

The spelling of 123250406 in words is "one hundred twenty-three million, two hundred fifty thousand, four hundred six".