121227126 has 16 divisors (see below), whose sum is σ = 243069744. Its totient is φ = 40306464.

The previous prime is 121227107. The next prime is 121227131. The reversal of 121227126 is 621722121.

It is a junction number, because it is equal to n+sod(n) for n = 121227096 and 121227105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23065 + ... + 27828.

It is an arithmetic number, because the mean of its divisors is an integer number (15191859).

Almost surely, 2^121227126 is an apocalyptic number.

121227126 is an abundant number, since it is smaller than the sum of its proper divisors (121842618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121227126 is a wasteful number, since it uses less digits than its factorization.

121227126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51295.

The product of its digits is 672, while the sum is 24.

The square root of 121227126 is about 11010.3190689462. The cubic root of 121227126 is about 494.9180233597.

Adding to 121227126 its reverse (621722121), we get a palindrome (742949247).

The spelling of 121227126 in words is "one hundred twenty-one million, two hundred twenty-seven thousand, one hundred twenty-six".