260120045 has 4 divisors (see below), whose sum is σ = 312144060. Its totient is φ = 208096032.

The previous prime is 260119997. The next prime is 260120083. The reversal of 260120045 is 540021062.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63952009 + 196168036 = 7997^2 + 14006^2 .

It is a cyclic number.

It is not a de Polignac number, because 260120045 - 2¹⁰ = 260119021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260119999 and 260120026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26012000 + ... + 26012009.

It is an arithmetic number, because the mean of its divisors is an integer number (78036015).

Almost surely, 2^260120045 is an apocalyptic number.

It is an amenable number.

260120045 is a deficient number, since it is larger than the sum of its proper divisors (52024015).

260120045 is an equidigital number, since it uses as much as digits as its factorization.

260120045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52024014.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 260120045 is about 16128.2375044516. The cubic root of 260120045 is about 638.3486439680.

The spelling of 260120045 in words is "two hundred sixty million, one hundred twenty thousand, forty-five".