125571245 has 8 divisors (see below), whose sum is σ = 153156120. Its totient is φ = 98809920.

The previous prime is 125571221. The next prime is 125571301. The reversal of 125571245 is 542175521.

It can be written as a sum of positive squares in 4 ways, for example, as 1605289 + 123965956 = 1267^2 + 11134^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-125571245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205550 + ... + 206159.

It is an arithmetic number, because the mean of its divisors is an integer number (19144515).

Almost surely, 2^125571245 is an apocalyptic number.

It is an amenable number.

125571245 is a deficient number, since it is larger than the sum of its proper divisors (27584875).

125571245 is an equidigital number, since it uses as much as digits as its factorization.

125571245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411775.

The product of its digits is 14000, while the sum is 32.

The square root of 125571245 is about 11205.8576200128. The cubic root of 125571245 is about 500.7605026849.

The spelling of 125571245 in words is "one hundred twenty-five million, five hundred seventy-one thousand, two hundred forty-five".