121226646 has 32 divisors (see below), whose sum is σ = 246677760. Its totient is φ = 39710304.

The previous prime is 121226617. The next prime is 121226657. The reversal of 121226646 is 646622121.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113511 + ... + 114573.

It is an arithmetic number, because the mean of its divisors is an integer number (7708680).

Almost surely, 2^121226646 is an apocalyptic number.

121226646 is an abundant number, since it is smaller than the sum of its proper divisors (125451114).

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

121226646 is a wasteful number, since it uses less digits than its factorization.

121226646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380.

The product of its digits is 6912, while the sum is 30.

The square root of 121226646 is about 11010.2972711912. The cubic root of 121226646 is about 494.9173701479.

Adding to 121226646 its reverse (646622121), we get a palindrome (767848767).

The spelling of 121226646 in words is "one hundred twenty-one million, two hundred twenty-six thousand, six hundred forty-six".