125247254 has 32 divisors (see below), whose sum is σ = 214797312. Its totient is φ = 54252000.

The previous prime is 125247253. The next prime is 125247271. The reversal of 125247254 is 452742521.

125247254 = 428² + 429² + ... + 768².

It is a self number, because there is not a number n which added to its sum of digits gives 125247254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125247253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44324 + ... + 47064.

It is an arithmetic number, because the mean of its divisors is an integer number (6712416).

Almost surely, 2^125247254 is an apocalyptic number.

125247254 is a deficient number, since it is larger than the sum of its proper divisors (89550058).

125247254 is a wasteful number, since it uses less digits than its factorization.

125247254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852.

The product of its digits is 22400, while the sum is 32.

The square root of 125247254 is about 11191.3919598949. The cubic root of 125247254 is about 500.3294548713.

Adding to 125247254 its reverse (452742521), we get a palindrome (577989775).

The spelling of 125247254 in words is "one hundred twenty-five million, two hundred forty-seven thousand, two hundred fifty-four".