121426669 has 12 divisors (see below), whose sum is σ = 150270816. Its totient is φ = 96072912.

The previous prime is 121426649. The next prime is 121426691. The reversal of 121426669 is 966624121.

It is not a de Polignac number, because 121426669 - 2⁷ = 121426541 is a prime.

It is a super-2 number, since 2×121426669² = 29488871888871122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121426639) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 50139 + ... + 52504.

It is an arithmetic number, because the mean of its divisors is an integer number (12522568).

Almost surely, 2^121426669 is an apocalyptic number.

It is an amenable number.

121426669 is a deficient number, since it is larger than the sum of its proper divisors (28844147).

121426669 is a wasteful number, since it uses less digits than its factorization.

121426669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102676 (or 102663 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 121426669 is about 11019.3769787588. The cubic root of 121426669 is about 495.1894238130.

The spelling of 121426669 in words is "one hundred twenty-one million, four hundred twenty-six thousand, six hundred sixty-nine".