120761689 has 2 divisors, whose sum is σ = 120761690. Its totient is φ = 120761688.

The previous prime is 120761677. The next prime is 120761741. The reversal of 120761689 is 986167021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79352464 + 41409225 = 8908^2 + 6435^2 .

It is a cyclic number.

It is not a de Polignac number, because 120761689 - 2⁵ = 120761657 is a prime.

It is not a weakly prime, because it can be changed into another prime (120761609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60380844 + 60380845.

It is an arithmetic number, because the mean of its divisors is an integer number (60380845).

Almost surely, 2^120761689 is an apocalyptic number.

It is an amenable number.

120761689 is a deficient number, since it is larger than the sum of its proper divisors (1).

120761689 is an equidigital number, since it uses as much as digits as its factorization.

120761689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 120761689 is about 10989.1623429632. The cubic root of 120761689 is about 494.2838182316.

The spelling of 120761689 in words is "one hundred twenty million, seven hundred sixty-one thousand, six hundred eighty-nine".