126115443 has 24 divisors (see below), whose sum is σ = 185176368. Its totient is φ = 82700352.

The previous prime is 126115441. The next prime is 126115453. The reversal of 126115443 is 344511621.

It is a happy number.

126115443 is a `hidden beast` number, since 1 + 2 + 611 + 5 + 4 + 43 = 666.

It is not a de Polignac number, because 126115443 - 2¹ = 126115441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126115441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166221 + ... + 166977.

It is an arithmetic number, because the mean of its divisors is an integer number (7715682).

Almost surely, 2^126115443 is an apocalyptic number.

126115443 is a deficient number, since it is larger than the sum of its proper divisors (59060925).

126115443 is a wasteful number, since it uses less digits than its factorization.

126115443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1040 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 126115443 is about 11230.1132229377. The cubic root of 126115443 is about 501.4828552664.

The spelling of 126115443 in words is "one hundred twenty-six million, one hundred fifteen thousand, four hundred forty-three".