121594769 has 2 divisors, whose sum is σ = 121594770. Its totient is φ = 121594768.

The previous prime is 121594763. The next prime is 121594783. The reversal of 121594769 is 967495121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121264144 + 330625 = 11012^2 + 575^2 .

It is an emirp because it is prime and its reverse (967495121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121594769 - 2⁸ = 121594513 is a prime.

It is a super-2 number, since 2×121594769² = 29570575696326722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121594763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60797384 + 60797385.

It is an arithmetic number, because the mean of its divisors is an integer number (60797385).

Almost surely, 2^121594769 is an apocalyptic number.

It is an amenable number.

121594769 is a deficient number, since it is larger than the sum of its proper divisors (1).

121594769 is an equidigital number, since it uses as much as digits as its factorization.

121594769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 44.

The square root of 121594769 is about 11027.0018137298. The cubic root of 121594769 is about 495.4178276717.

The spelling of 121594769 in words is "one hundred twenty-one million, five hundred ninety-four thousand, seven hundred sixty-nine".