121414666 has 4 divisors (see below), whose sum is σ = 182122002. Its totient is φ = 60707332.

The previous prime is 121414661. The next prime is 121414681. The reversal of 121414666 is 666414121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 112975641 + 8439025 = 10629^2 + 2905^2 .

It is a super-2 number, since 2×121414666² = 29483042239783112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (121414661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30353665 + ... + 30353668.

Almost surely, 2^121414666 is an apocalyptic number.

121414666 is a deficient number, since it is larger than the sum of its proper divisors (60707336).

121414666 is an equidigital number, since it uses as much as digits as its factorization.

121414666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60707335.

The product of its digits is 6912, while the sum is 31.

The square root of 121414666 is about 11018.8323337820. The cubic root of 121414666 is about 495.1731068195.

Adding to 121414666 its reverse (666414121), we get a palindrome (787828787).

It can be divided in two parts, 12141 and 4666, that added together give a 5-th power (16807 = 7⁵).

The spelling of 121414666 in words is "one hundred twenty-one million, four hundred fourteen thousand, six hundred sixty-six".