261224114 has 4 divisors (see below), whose sum is σ = 391836174. Its totient is φ = 130612056.

The previous prime is 261224113. The next prime is 261224147. The reversal of 261224114 is 411422162.

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

It can be written as a sum of positive squares in only one way, i.e., 169390225 + 91833889 = 13015^2 + 9583^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 261224114.

It is not an unprimeable number, because it can be changed into a prime (261224113) 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 as a sum of consecutive naturals, namely, 65306027 + ... + 65306030.

Almost surely, 2^261224114 is an apocalyptic number.

261224114 is a deficient number, since it is larger than the sum of its proper divisors (130612060).

261224114 is a wasteful number, since it uses less digits than its factorization.

261224114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130612059.

The product of its digits is 768, while the sum is 23.

The square root of 261224114 is about 16162.4290872381. The cubic root of 261224114 is about 639.2505175056.

Adding to 261224114 its reverse (411422162), we get a palindrome (672646276).

The spelling of 261224114 in words is "two hundred sixty-one million, two hundred twenty-four thousand, one hundred fourteen".