125878783 has 2 divisors, whose sum is σ = 125878784. Its totient is φ = 125878782.

The previous prime is 125878777. The next prime is 125878787. The reversal of 125878783 is 387878521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125878783 - 2²¹ = 123781631 is a prime.

It is a super-2 number, since 2×125878783² = 31690936019122178, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125878787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62939391 + 62939392.

It is an arithmetic number, because the mean of its divisors is an integer number (62939392).

Almost surely, 2^125878783 is an apocalyptic number.

125878783 is a deficient number, since it is larger than the sum of its proper divisors (1).

125878783 is an equidigital number, since it uses as much as digits as its factorization.

125878783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 49.

The square root of 125878783 is about 11219.5714267524. The cubic root of 125878783 is about 501.1689755292.

The spelling of 125878783 in words is "one hundred twenty-five million, eight hundred seventy-eight thousand, seven hundred eighty-three".