125484791 has 2 divisors, whose sum is σ = 125484792. Its totient is φ = 125484790.

The previous prime is 125484781. The next prime is 125484809. The reversal of 125484791 is 197484521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125484791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125484781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62742395 + 62742396.

It is an arithmetic number, because the mean of its divisors is an integer number (62742396).

Almost surely, 2^125484791 is an apocalyptic number.

125484791 is a deficient number, since it is larger than the sum of its proper divisors (1).

125484791 is an equidigital number, since it uses as much as digits as its factorization.

125484791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 41.

The square root of 125484791 is about 11201.9994197465. Note that the first 3 decimals coincide. The cubic root of 125484791 is about 500.6455541609.

The spelling of 125484791 in words is "one hundred twenty-five million, four hundred eighty-four thousand, seven hundred ninety-one".