125445623 has 16 divisors (see below), whose sum is σ = 133125120. Its totient is φ = 118041600.

The previous prime is 125445583. The next prime is 125445637. The reversal of 125445623 is 326544521.

It is a cyclic number.

It is not a de Polignac number, because 125445623 - 2⁸ = 125445367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125445623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125445643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195383 + ... + 196023.

It is an arithmetic number, because the mean of its divisors is an integer number (8320320).

Almost surely, 2^125445623 is an apocalyptic number.

125445623 is a deficient number, since it is larger than the sum of its proper divisors (7679497).

125445623 is a wasteful number, since it uses less digits than its factorization.

125445623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838.

The product of its digits is 28800, while the sum is 32.

The square root of 125445623 is about 11200.2510239726. The cubic root of 125445623 is about 500.5934593334.

The spelling of 125445623 in words is "one hundred twenty-five million, four hundred forty-five thousand, six hundred twenty-three".