126138083 has 4 divisors (see below), whose sum is σ = 128821920. Its totient is φ = 123454248.

The previous prime is 126138073. The next prime is 126138091. The reversal of 126138083 is 380831621.

It is a happy number.

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 126138083 - 2²⁰ = 125089507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126138043) 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, 1341848 + ... + 1341941.

It is an arithmetic number, because the mean of its divisors is an integer number (32205480).

Almost surely, 2^126138083 is an apocalyptic number.

126138083 is a deficient number, since it is larger than the sum of its proper divisors (2683837).

126138083 is an equidigital number, since it uses as much as digits as its factorization.

126138083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683836.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 126138083 is about 11231.1211817877. The cubic root of 126138083 is about 501.5128618811.

The spelling of 126138083 in words is "one hundred twenty-six million, one hundred thirty-eight thousand, eighty-three".