125471245 has 8 divisors (see below), whose sum is σ = 151898616. Its totient is φ = 99488256.

The previous prime is 125471243. The next prime is 125471249. The reversal of 125471245 is 542174521.

It can be written as a sum of positive squares in 4 ways, for example, as 8874441 + 116596804 = 2979^2 + 10798^2 .

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 125471245 - 2¹ = 125471243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125471243) 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, 110472 + ... + 111601.

It is an arithmetic number, because the mean of its divisors is an integer number (18987327).

Almost surely, 2^125471245 is an apocalyptic number.

It is an amenable number.

125471245 is a deficient number, since it is larger than the sum of its proper divisors (26427371).

125471245 is a wasteful number, since it uses less digits than its factorization.

125471245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222191.

The product of its digits is 11200, while the sum is 31.

The square root of 125471245 is about 11201.3947792228. The cubic root of 125471245 is about 500.6275387275.

It can be divided in two parts, 125 and 471245, that multiplied together give a square (58905625 = 7675²).

The spelling of 125471245 in words is "one hundred twenty-five million, four hundred seventy-one thousand, two hundred forty-five".