125012563 has 8 divisors (see below), whose sum is σ = 136911600. Its totient is φ = 113439648.

The previous prime is 125012561. The next prime is 125012581. The reversal of 125012563 is 365210521.

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

It is a cyclic number.

It is not a de Polignac number, because 125012563 - 2¹ = 125012561 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125012561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80728 + ... + 82261.

It is an arithmetic number, because the mean of its divisors is an integer number (17113950).

Almost surely, 2^125012563 is an apocalyptic number.

125012563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125012563 is a deficient number, since it is larger than the sum of its proper divisors (11899037).

125012563 is a wasteful number, since it uses less digits than its factorization.

125012563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163061.

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

The square root of 125012563 is about 11180.9017078230. The cubic root of 125012563 is about 500.0167501055.

The spelling of 125012563 in words is "one hundred twenty-five million, twelve thousand, five hundred sixty-three".