121089769 has 8 divisors (see below), whose sum is σ = 124871040. Its totient is φ = 117348000.

The previous prime is 121089737. The next prime is 121089781. The reversal of 121089769 is 967980121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121089769 - 2⁵ = 121089737 is a prime.

It is a super-2 number, since 2×121089769² = 29325464312946722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121039769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3589 + ... + 15970.

It is an arithmetic number, because the mean of its divisors is an integer number (15608880).

Almost surely, 2^121089769 is an apocalyptic number.

It is an amenable number.

121089769 is a deficient number, since it is larger than the sum of its proper divisors (3781271).

121089769 is a wasteful number, since it uses less digits than its factorization.

121089769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19751.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 121089769 is about 11004.0796525652. The cubic root of 121089769 is about 494.7310296052.

The spelling of 121089769 in words is "one hundred twenty-one million, eighty-nine thousand, seven hundred sixty-nine".