126535063 has 4 divisors (see below), whose sum is σ = 133978320. Its totient is φ = 119091808.

The previous prime is 126535043. The next prime is 126535081. The reversal of 126535063 is 360535621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126535063 - 2²⁵ = 92980631 is a prime.

It is a super-2 number, since 2×126535063² = 32022244336827938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126535043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3721603 + ... + 3721636.

It is an arithmetic number, because the mean of its divisors is an integer number (33494580).

Almost surely, 2^126535063 is an apocalyptic number.

126535063 is a deficient number, since it is larger than the sum of its proper divisors (7443257).

126535063 is an equidigital number, since it uses as much as digits as its factorization.

126535063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7443256.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 126535063 is about 11248.7805116821. The cubic root of 126535063 is about 502.0384289878.

The spelling of 126535063 in words is "one hundred twenty-six million, five hundred thirty-five thousand, sixty-three".