123746406 has 16 divisors (see below), whose sum is σ = 282849024. Its totient is φ = 35356104.

The previous prime is 123746377. The next prime is 123746407. The reversal of 123746406 is 604647321.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123746407) 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, 1473130 + ... + 1473213.

It is an arithmetic number, because the mean of its divisors is an integer number (17678064).

Almost surely, 2^123746406 is an apocalyptic number.

123746406 is an abundant number, since it is smaller than the sum of its proper divisors (159102618).

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

123746406 is a wasteful number, since it uses less digits than its factorization.

123746406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946355.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 123746406 is about 11124.1361911836. The cubic root of 123746406 is about 498.3229224443.

The spelling of 123746406 in words is "one hundred twenty-three million, seven hundred forty-six thousand, four hundred six".