125510047 has 6 divisors (see below), whose sum is σ = 135907512. Its totient is φ = 115855272.

The previous prime is 125510003. The next prime is 125510053. The reversal of 125510047 is 740015521.

It is not a de Polignac number, because 125510047 - 2¹¹ = 125507999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125510947) 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 5 ways as a sum of consecutive naturals, for example, 371163 + ... + 371500.

It is an arithmetic number, because the mean of its divisors is an integer number (22651252).

Almost surely, 2^125510047 is an apocalyptic number.

125510047 is a deficient number, since it is larger than the sum of its proper divisors (10397465).

125510047 is an equidigital number, since it uses as much as digits as its factorization.

125510047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742689 (or 742676 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 125510047 is about 11203.1266617851. The cubic root of 125510047 is about 500.6791397873.

Adding to 125510047 its reverse (740015521), we get a palindrome (865525568).

The spelling of 125510047 in words is "one hundred twenty-five million, five hundred ten thousand, forty-seven".