125520245 has 8 divisors (see below), whose sum is σ = 151382400. Its totient is φ = 99910800.

The previous prime is 125520211. The next prime is 125520247. The reversal of 125520245 is 542025521.

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

It is not a de Polignac number, because 125520245 - 2⁶ = 125520181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125520247) 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 7 ways as a sum of consecutive naturals, for example, 62081 + ... + 64070.

It is an arithmetic number, because the mean of its divisors is an integer number (18922800).

Almost surely, 2^125520245 is an apocalyptic number.

It is an amenable number.

125520245 is a deficient number, since it is larger than the sum of its proper divisors (25862155).

125520245 is a wasteful number, since it uses less digits than its factorization.

125520245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126355.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 125520245 is about 11203.5817933373. The cubic root of 125520245 is about 500.6926998905.

Adding to 125520245 its reverse (542025521), we get a palindrome (667545766).

The spelling of 125520245 in words is "one hundred twenty-five million, five hundred twenty thousand, two hundred forty-five".