125755047 has 24 divisors (see below), whose sum is σ = 201127680. Its totient is φ = 75073680.

The previous prime is 125755037. The next prime is 125755051. The reversal of 125755047 is 740557521.

125755047 is a `hidden beast` number, since 12 + 57 + 550 + 47 = 666.

It is not a de Polignac number, because 125755047 - 2⁴ = 125755031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125755037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2847 + ... + 16112.

It is an arithmetic number, because the mean of its divisors is an integer number (8380320).

Almost surely, 2^125755047 is an apocalyptic number.

125755047 is a deficient number, since it is larger than the sum of its proper divisors (75372633).

125755047 is a wasteful number, since it uses less digits than its factorization.

125755047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19043 (or 19040 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 125755047 is about 11214.0557783525. The cubic root of 125755047 is about 501.0047091003.

The spelling of 125755047 in words is "one hundred twenty-five million, seven hundred fifty-five thousand, forty-seven".