126126115 has 8 divisors (see below), whose sum is σ = 153425088. Its totient is φ = 99518400.

The previous prime is 126126097. The next prime is 126126139. The reversal of 126126115 is 511621621.

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 126126115 - 2¹¹ = 126124067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126126115.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172411 + ... + 173140.

It is an arithmetic number, because the mean of its divisors is an integer number (19178136).

Almost surely, 2^126126115 is an apocalyptic number.

126126115 is a deficient number, since it is larger than the sum of its proper divisors (27298973).

126126115 is an equidigital number, since it uses as much as digits as its factorization.

126126115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345629.

The product of its digits is 720, while the sum is 25.

The square root of 126126115 is about 11230.5883639282. The cubic root of 126126115 is about 501.4970001746.

Adding to 126126115 its reverse (511621621), we get a palindrome (637747736).

The spelling of 126126115 in words is "one hundred twenty-six million, one hundred twenty-six thousand, one hundred fifteen".