125626749 has 8 divisors (see below), whose sum is σ = 168821760. Its totient is φ = 83091456.

The previous prime is 125626717. The next prime is 125626757. The reversal of 125626749 is 947626521.

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

It is not a de Polignac number, because 125626749 - 2⁵ = 125626717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125626749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125626789) 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 7 ways as a sum of consecutive naturals, for example, 164484 + ... + 165245.

It is an arithmetic number, because the mean of its divisors is an integer number (21102720).

Almost surely, 2^125626749 is an apocalyptic number.

It is an amenable number.

125626749 is a deficient number, since it is larger than the sum of its proper divisors (43195011).

125626749 is a wasteful number, since it uses less digits than its factorization.

125626749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329859.

The product of its digits is 181440, while the sum is 42.

The square root of 125626749 is about 11208.3339083023. Note that the first 3 decimals coincide. The cubic root of 125626749 is about 500.8342725378.

The spelling of 125626749 in words is "one hundred twenty-five million, six hundred twenty-six thousand, seven hundred forty-nine".