126553829 has 2 divisors, whose sum is σ = 126553830. Its totient is φ = 126553828.

The previous prime is 126553807. The next prime is 126553841. The reversal of 126553829 is 928355621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123321025 + 3232804 = 11105^2 + 1798^2 .

It is a cyclic number.

It is not a de Polignac number, because 126553829 - 2⁸ = 126553573 is a prime.

It is a super-2 number, since 2×126553829² = 32031743269122482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126555829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63276914 + 63276915.

It is an arithmetic number, because the mean of its divisors is an integer number (63276915).

Almost surely, 2^126553829 is an apocalyptic number.

It is an amenable number.

126553829 is a deficient number, since it is larger than the sum of its proper divisors (1).

126553829 is an equidigital number, since it uses as much as digits as its factorization.

126553829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The square root of 126553829 is about 11249.6146156213. The cubic root of 126553829 is about 502.0632463183.

The spelling of 126553829 in words is "one hundred twenty-six million, five hundred fifty-three thousand, eight hundred twenty-nine".