119341920681 has 9 divisors (see below), whose sum is σ = 172384271319. Its totient is φ = 79560589536.

The previous prime is 119341920653. The next prime is 119341920689. The reversal of 119341920681 is 186029143911.

The square root of 119341920681 is 345459.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 90027002025 + 29314918656 = 300045^2 + 171216^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 119341920681 - 2¹⁹ = 119341396393 is a prime.

It is a super-2 number, since 2×119341920681² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (119341920689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 978801 + ... + 1093953.

Almost surely, 2^119341920681 is an apocalyptic number.

119341920681 is the 345459-th square number.

119341920681 is the 172730-th centered octagonal number.

It is an amenable number.

119341920681 is a deficient number, since it is larger than the sum of its proper divisors (53042350638).

119341920681 is an frugal number, since it uses more digits than its factorization.

119341920681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230312 (or 115156 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 119341920681 in words is "one hundred nineteen billion, three hundred forty-one million, nine hundred twenty thousand, six hundred eighty-one".