119945261 has 4 divisors (see below), whose sum is σ = 120608124. Its totient is φ = 119282400.

The previous prime is 119945239. The next prime is 119945291. The reversal of 119945261 is 162549911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 162549911 = 149 ⋅1090939.

It can be written as a sum of positive squares in 2 ways, for example, as 12180100 + 107765161 = 3490^2 + 10381^2 .

It is a cyclic number.

It is not a de Polignac number, because 119945261 - 2⁶ = 119945197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119945291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331160 + ... + 331521.

It is an arithmetic number, because the mean of its divisors is an integer number (30152031).

Almost surely, 2^119945261 is an apocalyptic number.

It is an amenable number.

119945261 is a deficient number, since it is larger than the sum of its proper divisors (662863).

119945261 is an equidigital number, since it uses as much as digits as its factorization.

119945261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662862.

The product of its digits is 19440, while the sum is 38.

The square root of 119945261 is about 10951.9523830229. The cubic root of 119945261 is about 493.1674045801.

The spelling of 119945261 in words is "one hundred nineteen million, nine hundred forty-five thousand, two hundred sixty-one".