125042741 has 8 divisors (see below), whose sum is σ = 129493944. Its totient is φ = 120669120.

The previous prime is 125042717. The next prime is 125042759. The reversal of 125042741 is 147240521.

It can be written as a sum of positive squares in 4 ways, for example, as 1188100 + 123854641 = 1090^2 + 11129^2 .

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 125042741 - 2²² = 120848437 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 125042741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125042711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16106 + ... + 22571.

It is an arithmetic number, because the mean of its divisors is an integer number (16186743).

Almost surely, 2^125042741 is an apocalyptic number.

It is an amenable number.

125042741 is a deficient number, since it is larger than the sum of its proper divisors (4451203).

125042741 is an equidigital number, since it uses as much as digits as its factorization.

125042741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38791.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 125042741 is about 11182.2511597621. The cubic root of 125042741 is about 500.0569815060.

The spelling of 125042741 in words is "one hundred twenty-five million, forty-two thousand, seven hundred forty-one".