125655603 has 8 divisors (see below), whose sum is σ = 167618448. Its totient is φ = 83731584.

The previous prime is 125655577. The next prime is 125655631. The reversal of 125655603 is 306556521.

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

It is not a de Polignac number, because 125655603 - 2¹⁴ = 125639219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125655203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050 + ... + 15887.

It is an arithmetic number, because the mean of its divisors is an integer number (20952306).

Almost surely, 2^125655603 is an apocalyptic number.

125655603 is a deficient number, since it is larger than the sum of its proper divisors (41962845).

125655603 is a wasteful number, since it uses less digits than its factorization.

125655603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19413.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 125655603 is about 11209.6210016218. The cubic root of 125655603 is about 500.8726135386.

The spelling of 125655603 in words is "one hundred twenty-five million, six hundred fifty-five thousand, six hundred three".