406123132 has 24 divisors (see below), whose sum is σ = 770028336. Its totient is φ = 186670848.

The previous prime is 406123127. The next prime is 406123141. The reversal of 406123132 is 231321604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66523 + ... + 72370.

It is an arithmetic number, because the mean of its divisors is an integer number (32084514).

Almost surely, 2^406123132 is an apocalyptic number.

It is an amenable number.

406123132 is a deficient number, since it is larger than the sum of its proper divisors (363905204).

406123132 is a wasteful number, since it uses less digits than its factorization.

406123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138957 (or 138955 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 406123132 is about 20152.4969172557. The cubic root of 406123132 is about 740.5469124696.

Adding to 406123132 its reverse (231321604), we get a palindrome (637444736).

The spelling of 406123132 in words is "four hundred six million, one hundred twenty-three thousand, one hundred thirty-two".