120773869 has 2 divisors, whose sum is σ = 120773870. Its totient is φ = 120773868.

The previous prime is 120773843. The next prime is 120773953. The reversal of 120773869 is 968377021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110775625 + 9998244 = 10525^2 + 3162^2 .

It is a cyclic number.

It is not a de Polignac number, because 120773869 - 2¹⁹ = 120249581 is a prime.

It is a super-2 number, since 2×120773869² = 29172654866458322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120773819) 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 as a sum of consecutive naturals, namely, 60386934 + 60386935.

It is an arithmetic number, because the mean of its divisors is an integer number (60386935).

Almost surely, 2^120773869 is an apocalyptic number.

It is an amenable number.

120773869 is a deficient number, since it is larger than the sum of its proper divisors (1).

120773869 is an equidigital number, since it uses as much as digits as its factorization.

120773869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 120773869 is about 10989.7165113573. The cubic root of 120773869 is about 494.3004354622.

It can be divided in two parts, 1207 and 73869, that added together give a square (75076 = 274²).

The spelling of 120773869 in words is "one hundred twenty million, seven hundred seventy-three thousand, eight hundred sixty-nine".