125243633 has 2 divisors, whose sum is σ = 125243634. Its totient is φ = 125243632.

The previous prime is 125243621. The next prime is 125243639. The reversal of 125243633 is 336342521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123032464 + 2211169 = 11092^2 + 1487^2 .

It is an emirp because it is prime and its reverse (336342521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125243633 - 2⁴ = 125243617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125243596 and 125243605.

It is not a weakly prime, because it can be changed into another prime (125243639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62621816 + 62621817.

It is an arithmetic number, because the mean of its divisors is an integer number (62621817).

Almost surely, 2^125243633 is an apocalyptic number.

It is an amenable number.

125243633 is a deficient number, since it is larger than the sum of its proper divisors (1).

125243633 is an equidigital number, since it uses as much as digits as its factorization.

125243633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 29.

The square root of 125243633 is about 11191.2301826028. The cubic root of 125243633 is about 500.3246331810.

The spelling of 125243633 in words is "one hundred twenty-five million, two hundred forty-three thousand, six hundred thirty-three".