121133126 has 16 divisors (see below), whose sum is σ = 193687200. Its totient is φ = 56618880.

The previous prime is 121133123. The next prime is 121133141. The reversal of 121133126 is 621331121.

It is a junction number, because it is equal to n+sod(n) for n = 121133098 and 121133107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121133123) 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, 6890 + ... + 17021.

It is an arithmetic number, because the mean of its divisors is an integer number (12105450).

Almost surely, 2^121133126 is an apocalyptic number.

121133126 is a deficient number, since it is larger than the sum of its proper divisors (72554074).

121133126 is a wasteful number, since it uses less digits than its factorization.

121133126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24079.

The product of its digits is 216, while the sum is 20.

The square root of 121133126 is about 11006.0495183331. The cubic root of 121133126 is about 494.7900698082.

Adding to 121133126 its reverse (621331121), we get a palindrome (742464247).

The spelling of 121133126 in words is "one hundred twenty-one million, one hundred thirty-three thousand, one hundred twenty-six".