126404267 has 8 divisors (see below), whose sum is σ = 142344192. Its totient is φ = 111205800.

The previous prime is 126404263. The next prime is 126404279. The reversal of 126404267 is 762404621.

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

It is a cyclic number.

It is not a de Polignac number, because 126404267 - 2² = 126404263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126404263) 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, 185003 + ... + 185684.

It is an arithmetic number, because the mean of its divisors is an integer number (17793024).

Almost surely, 2^126404267 is an apocalyptic number.

126404267 is a deficient number, since it is larger than the sum of its proper divisors (15939925).

126404267 is a wasteful number, since it uses less digits than its factorization.

126404267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370729.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 126404267 is about 11242.9652227515. The cubic root of 126404267 is about 501.8653880006.

Adding to 126404267 its reverse (762404621), we get a palindrome (888808888).

The spelling of 126404267 in words is "one hundred twenty-six million, four hundred four thousand, two hundred sixty-seven".