121267677 has 4 divisors (see below), whose sum is σ = 161690240. Its totient is φ = 80845116.

The previous prime is 121267669. The next prime is 121267711. The reversal of 121267677 is 776762121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 121267677 - 2³ = 121267669 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 (121267277) 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, 20211277 + ... + 20211282.

It is an arithmetic number, because the mean of its divisors is an integer number (40422560).

Almost surely, 2^121267677 is an apocalyptic number.

It is an amenable number.

121267677 is a deficient number, since it is larger than the sum of its proper divisors (40422563).

121267677 is an equidigital number, since it uses as much as digits as its factorization.

121267677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40422562.

The product of its digits is 49392, while the sum is 39.

The square root of 121267677 is about 11012.1604147415. The cubic root of 121267677 is about 494.9732012836.

The spelling of 121267677 in words is "one hundred twenty-one million, two hundred sixty-seven thousand, six hundred seventy-seven".