125623406 has 8 divisors (see below), whose sum is σ = 188706024. Its totient is φ = 62721400.

The previous prime is 125623403. The next prime is 125623427. The reversal of 125623406 is 604326521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125623403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43400 + ... + 46203.

It is an arithmetic number, because the mean of its divisors is an integer number (23588253).

Almost surely, 2^125623406 is an apocalyptic number.

125623406 is a deficient number, since it is larger than the sum of its proper divisors (63082618).

125623406 is an equidigital number, since it uses as much as digits as its factorization.

125623406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90306.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 125623406 is about 11208.1847772063. The cubic root of 125623406 is about 500.8298300024.

Adding to 125623406 its reverse (604326521), we get a palindrome (729949927).

The spelling of 125623406 in words is "one hundred twenty-five million, six hundred twenty-three thousand, four hundred six".