126873099 has 12 divisors (see below), whose sum is σ = 184064400. Its totient is φ = 84211344.

The previous prime is 126873079. The next prime is 126873101. The reversal of 126873099 is 990378621.

It is not a de Polignac number, because 126873099 - 2⁹ = 126872587 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (126873029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28719 + ... + 32840.

It is an arithmetic number, because the mean of its divisors is an integer number (15338700).

Almost surely, 2^126873099 is an apocalyptic number.

126873099 is a deficient number, since it is larger than the sum of its proper divisors (57191301).

126873099 is a wasteful number, since it uses less digits than its factorization.

126873099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61794 (or 61791 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 126873099 is about 11263.7959409783. The cubic root of 126873099 is about 502.4850934911.

The spelling of 126873099 in words is "one hundred twenty-six million, eight hundred seventy-three thousand, ninety-nine".