125445257 has 8 divisors (see below), whose sum is σ = 143774976. Its totient is φ = 107217792.

The previous prime is 125445167. The next prime is 125445301. The reversal of 125445257 is 752544521.

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 125445257 - 2¹² = 125441161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125445757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22913 + ... + 27854.

It is an arithmetic number, because the mean of its divisors is an integer number (17971872).

Almost surely, 2^125445257 is an apocalyptic number.

It is an amenable number.

125445257 is a deficient number, since it is larger than the sum of its proper divisors (18329719).

125445257 is an equidigital number, since it uses as much as digits as its factorization.

125445257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51127.

The product of its digits is 56000, while the sum is 35.

The square root of 125445257 is about 11200.2346850412. The cubic root of 125445257 is about 500.5929724893.

Adding to 125445257 its reverse (752544521), we get a palindrome (877989778).

The spelling of 125445257 in words is "one hundred twenty-five million, four hundred forty-five thousand, two hundred fifty-seven".