120553469 has 2 divisors, whose sum is σ = 120553470. Its totient is φ = 120553468.

The previous prime is 120553427. The next prime is 120553471. The reversal of 120553469 is 964355021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103022500 + 17530969 = 10150^2 + 4187^2 .

It is a cyclic number.

It is not a de Polignac number, because 120553469 - 2²⁰ = 119504893 is a prime.

It is a super-2 number, since 2×120553469² = 29066277775867922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 120553471, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120555469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60276734 + 60276735.

It is an arithmetic number, because the mean of its divisors is an integer number (60276735).

Almost surely, 2^120553469 is an apocalyptic number.

It is an amenable number.

120553469 is a deficient number, since it is larger than the sum of its proper divisors (1).

120553469 is an equidigital number, since it uses as much as digits as its factorization.

120553469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 120553469 is about 10979.6843761558. The cubic root of 120553469 is about 493.9995697352. Note that the first 3 decimals are identical.

The spelling of 120553469 in words is "one hundred twenty million, five hundred fifty-three thousand, four hundred sixty-nine".