119928538249 has 27 divisors (see below), whose sum is σ = 138039919317. Its totient is φ = 104124818304.

The previous prime is 119928538243. The next prime is 119928538267. The reversal of 119928538249 is 942835829911.

The square root of 119928538249 is 346307.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1082870649 + 118845667600 = 32907^2 + 344740^2 .

It is not a de Polignac number, because 119928538249 - 2⁵ = 119928538217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119928538243) 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 in 26 ways as a sum of consecutive naturals, for example, 76533064 + ... + 76534630.

Almost surely, 2^119928538249 is an apocalyptic number.

119928538249 is the 346307-th square number.

119928538249 is the 173154-th centered octagonal number.

It is an amenable number.

119928538249 is a deficient number, since it is larger than the sum of its proper divisors (18111381068).

119928538249 is an frugal number, since it uses more digits than its factorization.

119928538249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194 (or 1597 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 61.

The spelling of 119928538249 in words is "one hundred nineteen billion, nine hundred twenty-eight million, five hundred thirty-eight thousand, two hundred forty-nine".