126933983 has 4 divisors (see below), whose sum is σ = 138473448. Its totient is φ = 115394520.

The previous prime is 126933971. The next prime is 126934009. The reversal of 126933983 is 389339621.

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 126933983 - 2⁴ = 126933967 is a prime.

It is a super-2 number, since 2×126933983² = 32224472080488578, 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 (126933913) 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, 5769716 + ... + 5769737.

It is an arithmetic number, because the mean of its divisors is an integer number (34618362).

Almost surely, 2^126933983 is an apocalyptic number.

126933983 is a deficient number, since it is larger than the sum of its proper divisors (11539465).

126933983 is a wasteful number, since it uses less digits than its factorization.

126933983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11539464.

The product of its digits is 209952, while the sum is 44.

The square root of 126933983 is about 11266.4982581102. The cubic root of 126933983 is about 502.5654583341.

The spelling of 126933983 in words is "one hundred twenty-six million, nine hundred thirty-three thousand, nine hundred eighty-three".