126553807 has 2 divisors, whose sum is σ = 126553808. Its totient is φ = 126553806.

The previous prime is 126553799. The next prime is 126553829. The reversal of 126553807 is 708355621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126553807 - 2³ = 126553799 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 (126553307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63276903 + 63276904.

It is an arithmetic number, because the mean of its divisors is an integer number (63276904).

Almost surely, 2^126553807 is an apocalyptic number.

126553807 is a deficient number, since it is larger than the sum of its proper divisors (1).

126553807 is an equidigital number, since it uses as much as digits as its factorization.

126553807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 126553807 is about 11249.6136378100. The cubic root of 126553807 is about 502.0632172256.

The spelling of 126553807 in words is "one hundred twenty-six million, five hundred fifty-three thousand, eight hundred seven".