126833889 has 32 divisors (see below), whose sum is σ = 220389120. Its totient is φ = 62963712.

The previous prime is 126833887. The next prime is 126833899. The reversal of 126833889 is 988338621.

It is not a de Polignac number, because 126833889 - 2¹ = 126833887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126833887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9024 + ... + 18305.

It is an arithmetic number, because the mean of its divisors is an integer number (6887160).

Almost surely, 2^126833889 is an apocalyptic number.

It is an amenable number.

126833889 is a deficient number, since it is larger than the sum of its proper divisors (93555231).

126833889 is a wasteful number, since it uses less digits than its factorization.

126833889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27369.

The product of its digits is 497664, while the sum is 48.

The square root of 126833889 is about 11262.0552742384. The cubic root of 126833889 is about 502.4333239915.

The spelling of 126833889 in words is "one hundred twenty-six million, eight hundred thirty-three thousand, eight hundred eighty-nine".