125583791 has 2 divisors, whose sum is σ = 125583792. Its totient is φ = 125583790.

The previous prime is 125583751. The next prime is 125583803. The reversal of 125583791 is 197385521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125583791 - 2⁶ = 125583727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125583701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62791895 + 62791896.

It is an arithmetic number, because the mean of its divisors is an integer number (62791896).

Almost surely, 2^125583791 is an apocalyptic number.

125583791 is a deficient number, since it is larger than the sum of its proper divisors (1).

125583791 is an equidigital number, since it uses as much as digits as its factorization.

125583791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 41.

The square root of 125583791 is about 11206.4174025422. The cubic root of 125583791 is about 500.7771793586. Note that the first 3 decimals are identical.

The spelling of 125583791 in words is "one hundred twenty-five million, five hundred eighty-three thousand, seven hundred ninety-one".