125542783 has 2 divisors, whose sum is σ = 125542784. Its totient is φ = 125542782.

The previous prime is 125542741. The next prime is 125542789. The reversal of 125542783 is 387245521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125542783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125542789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62771391 + 62771392.

It is an arithmetic number, because the mean of its divisors is an integer number (62771392).

Almost surely, 2^125542783 is an apocalyptic number.

125542783 is a deficient number, since it is larger than the sum of its proper divisors (1).

125542783 is an equidigital number, since it uses as much as digits as its factorization.

125542783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 37.

The square root of 125542783 is about 11204.5875872341. The cubic root of 125542783 is about 500.7226656721.

The spelling of 125542783 in words is "one hundred twenty-five million, five hundred forty-two thousand, seven hundred eighty-three".