125000623 has 6 divisors (see below), whose sum is σ = 137397512. Its totient is φ = 113636820.

The previous prime is 125000599. The next prime is 125000633. The reversal of 125000623 is 326000521.

It is a happy number.

It is not a de Polignac number, because 125000623 - 2¹⁷ = 124869551 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 125000623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125000633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 516411 + ... + 516652.

Almost surely, 2^125000623 is an apocalyptic number.

125000623 is a deficient number, since it is larger than the sum of its proper divisors (12396889).

125000623 is a wasteful number, since it uses less digits than its factorization.

125000623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033085 (or 1033074 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 125000623 is about 11180.3677488712. The cubic root of 125000623 is about 500.0008306653. Note that the first 3 decimals are identical.

The spelling of 125000623 in words is "one hundred twenty-five million, six hundred twenty-three", and thus it is an aban number.