125130047 has 16 divisors (see below), whose sum is σ = 152370432. Its totient is φ = 100310400.

The previous prime is 125130007. The next prime is 125130077. The reversal of 125130047 is 740031521.

It is a cyclic number.

It is not a de Polignac number, because 125130047 - 2²⁰ = 124081471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125130007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16172 + ... + 22622.

It is an arithmetic number, because the mean of its divisors is an integer number (9523152).

Almost surely, 2^125130047 is an apocalyptic number.

125130047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

125130047 is a deficient number, since it is larger than the sum of its proper divisors (27240385).

125130047 is a wasteful number, since it uses less digits than its factorization.

125130047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6638.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 125130047 is about 11186.1542542556. The cubic root of 125130047 is about 500.1733359024.

Adding to 125130047 its reverse (740031521), we get a palindrome (865161568).

The spelling of 125130047 in words is "one hundred twenty-five million, one hundred thirty thousand, forty-seven".