121159069 has 4 divisors (see below), whose sum is σ = 121548960. Its totient is φ = 120769180.

The previous prime is 121159063. The next prime is 121159097. The reversal of 121159069 is 960951121.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 121159069 - 2¹³ = 121150877 is a prime.

It is a super-2 number, since 2×121159069² = 29359040001893522, 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 (121159063) 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, 194479 + ... + 195100.

It is an arithmetic number, because the mean of its divisors is an integer number (30387240).

Almost surely, 2^121159069 is an apocalyptic number.

It is an amenable number.

121159069 is a deficient number, since it is larger than the sum of its proper divisors (389891).

121159069 is an equidigital number, since it uses as much as digits as its factorization.

121159069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389890.

The product of its (nonzero) digits is 4860, while the sum is 34.

The square root of 121159069 is about 11007.2280343418. The cubic root of 121159069 is about 494.8253902388.

The spelling of 121159069 in words is "one hundred twenty-one million, one hundred fifty-nine thousand, sixty-nine".