126625529 has 2 divisors, whose sum is σ = 126625530. Its totient is φ = 126625528.

The previous prime is 126625501. The next prime is 126625553. The reversal of 126625529 is 925526621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81090025 + 45535504 = 9005^2 + 6748^2 .

It is a cyclic number.

It is not a de Polignac number, because 126625529 - 2¹² = 126621433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126625492 and 126625501.

It is not a weakly prime, because it can be changed into another prime (126625559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63312764 + 63312765.

It is an arithmetic number, because the mean of its divisors is an integer number (63312765).

Almost surely, 2^126625529 is an apocalyptic number.

It is an amenable number.

126625529 is a deficient number, since it is larger than the sum of its proper divisors (1).

126625529 is an equidigital number, since it uses as much as digits as its factorization.

126625529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 126625529 is about 11252.8009402104. The cubic root of 126625529 is about 502.1580442892.

The spelling of 126625529 in words is "one hundred twenty-six million, six hundred twenty-five thousand, five hundred twenty-nine".