126158973 has 8 divisors (see below), whose sum is σ = 168271488. Its totient is φ = 84076224.

The previous prime is 126158969. The next prime is 126159001. The reversal of 126158973 is 379851621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126158973 - 2² = 126158969 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126158953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5836 + ... + 16922.

It is an arithmetic number, because the mean of its divisors is an integer number (21033936).

Almost surely, 2^126158973 is an apocalyptic number.

It is an amenable number.

126158973 is a deficient number, since it is larger than the sum of its proper divisors (42112515).

126158973 is a wasteful number, since it uses less digits than its factorization.

126158973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14883.

The product of its digits is 90720, while the sum is 42.

The square root of 126158973 is about 11232.0511483878. The cubic root of 126158973 is about 501.5405458952.

The spelling of 126158973 in words is "one hundred twenty-six million, one hundred fifty-eight thousand, nine hundred seventy-three".