121626466 has 32 divisors (see below), whose sum is σ = 209100528. Its totient is φ = 52561920.

The previous prime is 121626443. The next prime is 121626469. The reversal of 121626466 is 664626121.

It can be written as a sum of positive squares in 8 ways, for example, as 65691025 + 55935441 = 8105^2 + 7479^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (121626469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102396 + ... + 103576.

Almost surely, 2^121626466 is an apocalyptic number.

121626466 is a deficient number, since it is larger than the sum of its proper divisors (87474062).

121626466 is a wasteful number, since it uses less digits than its factorization.

121626466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446.

The product of its digits is 20736, while the sum is 34.

The square root of 121626466 is about 11028.4389647855. The cubic root of 121626466 is about 495.4608719976.

The spelling of 121626466 in words is "one hundred twenty-one million, six hundred twenty-six thousand, four hundred sixty-six".