126242199 has 16 divisors (see below), whose sum is σ = 193059840. Its totient is φ = 81446040.

The previous prime is 126242183. The next prime is 126242201. The reversal of 126242199 is 991242621.

126242199 is a `hidden beast` number, since 1 + 2 + 624 + 21 + 9 + 9 = 666.

It is not a de Polignac number, because 126242199 - 2⁴ = 126242183 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126242159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74577 + ... + 76250.

It is an arithmetic number, because the mean of its divisors is an integer number (12066240).

Almost surely, 2^126242199 is an apocalyptic number.

126242199 is a deficient number, since it is larger than the sum of its proper divisors (66817641).

126242199 is a wasteful number, since it uses less digits than its factorization.

126242199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150867 (or 150861 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 126242199 is about 11235.7553818157. The cubic root of 126242199 is about 501.6508089943.

The spelling of 126242199 in words is "one hundred twenty-six million, two hundred forty-two thousand, one hundred ninety-nine".