121266671 has 4 divisors (see below), whose sum is σ = 121453032. Its totient is φ = 121080312.

The previous prime is 121266667. The next prime is 121266679. The reversal of 121266671 is 176662121.

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

It is a cyclic number.

It is not a de Polignac number, because 121266671 - 2² = 121266667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121266679) 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 3 ways as a sum of consecutive naturals, for example, 92201 + ... + 93506.

It is an arithmetic number, because the mean of its divisors is an integer number (30363258).

Almost surely, 2^121266671 is an apocalyptic number.

121266671 is a deficient number, since it is larger than the sum of its proper divisors (186361).

121266671 is an equidigital number, since it uses as much as digits as its factorization.

121266671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186360.

The product of its digits is 6048, while the sum is 32.

The square root of 121266671 is about 11012.1147378694. The cubic root of 121266671 is about 494.9718325638.

The spelling of 121266671 in words is "one hundred twenty-one million, two hundred sixty-six thousand, six hundred seventy-one".