119086417921 has 3 divisors (see below), whose sum is σ = 119086763011. Its totient is φ = 119086072832.

The previous prime is 119086417913. The next prime is 119086417927. The reversal of 119086417921 is 129714680911.

The square root of 119086417921 is 345089.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 129714680911 = 19 ⋅6827088469.

It can be written as a sum of positive squares in only one way, i.e., 29254339521 + 89832078400 = 171039^2 + 299720^2 .

It is not a de Polignac number, because 119086417921 - 2³ = 119086417913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119086417927) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 172545 + ... + 517633.

Almost surely, 2^119086417921 is an apocalyptic number.

119086417921 is the 345089-th square number.

119086417921 is the 172545-th centered octagonal number.

It is an amenable number.

119086417921 is a deficient number, since it is larger than the sum of its proper divisors (345090).

119086417921 is an frugal number, since it uses more digits than its factorization.

119086417921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690178 (or 345089 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 49.

Multiplying 119086417921 by its sum of digits (49), we get a square (5835234478129 = 2415623²).

The spelling of 119086417921 in words is "one hundred nineteen billion, eighty-six million, four hundred seventeen thousand, nine hundred twenty-one".