125623105 has 8 divisors (see below), whose sum is σ = 151899264. Its totient is φ = 99730800.

The previous prime is 125623087. The next prime is 125623133. The reversal of 125623105 is 501326521.

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

It is not a de Polignac number, because 125623105 - 2⁹ = 125622593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125623105.

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, 95241 + ... + 96550.

It is an arithmetic number, because the mean of its divisors is an integer number (18987408).

Almost surely, 2^125623105 is an apocalyptic number.

It is an amenable number.

125623105 is a deficient number, since it is larger than the sum of its proper divisors (26276159).

125623105 is a wasteful number, since it uses less digits than its factorization.

125623105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191927.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 125623105 is about 11208.1713495110. The cubic root of 125623105 is about 500.8294299976.

Adding to 125623105 its reverse (501326521), we get a palindrome (626949626).

The spelling of 125623105 in words is "one hundred twenty-five million, six hundred twenty-three thousand, one hundred five".