126099231 has 8 divisors (see below), whose sum is σ = 172233264. Its totient is φ = 82015680.

The previous prime is 126099229. The next prime is 126099269. The reversal of 126099231 is 132990621.

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

It is not a de Polignac number, because 126099231 - 2¹ = 126099229 is a prime.

It is a super-2 number, since 2×126099231² = 31802032117582722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 126099192 and 126099201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126099131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512476 + ... + 512721.

It is an arithmetic number, because the mean of its divisors is an integer number (21529158).

Almost surely, 2^126099231 is an apocalyptic number.

126099231 is a deficient number, since it is larger than the sum of its proper divisors (46134033).

126099231 is a wasteful number, since it uses less digits than its factorization.

126099231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025241.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 126099231 is about 11229.3913904539. The cubic root of 126099231 is about 501.4613659910.

The spelling of 126099231 in words is "one hundred twenty-six million, ninety-nine thousand, two hundred thirty-one".