126940107 has 8 divisors (see below), whose sum is σ = 193432576. Its totient is φ = 72537192.

The previous prime is 126940097. The next prime is 126940109. The reversal of 126940107 is 701049621.

It is a happy number.

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

It is not a de Polignac number, because 126940107 - 2⁷ = 126939979 is a prime.

It is a super-2 number, since 2×126940107² = 32227581530342898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126940109) 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, 3022363 + ... + 3022404.

It is an arithmetic number, because the mean of its divisors is an integer number (24179072).

Almost surely, 2^126940107 is an apocalyptic number.

126940107 is a deficient number, since it is larger than the sum of its proper divisors (66492469).

126940107 is an equidigital number, since it uses as much as digits as its factorization.

126940107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6044777.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 126940107 is about 11266.7700340426. The cubic root of 126940107 is about 502.5735403866.

Adding to 126940107 its reverse (701049621), we get a palindrome (827989728).

The spelling of 126940107 in words is "one hundred twenty-six million, nine hundred forty thousand, one hundred seven".