296220129 has 4 divisors (see below), whose sum is σ = 394960176. Its totient is φ = 197480084.

The previous prime is 296220109. The next prime is 296220131. The reversal of 296220129 is 921022692.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 296220129 - 2⁹ = 296219617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 296220129.

It is not an unprimeable number, because it can be changed into a prime (296220109) 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 3 ways as a sum of consecutive naturals, for example, 49370019 + ... + 49370024.

It is an arithmetic number, because the mean of its divisors is an integer number (98740044).

Almost surely, 2^296220129 is an apocalyptic number.

It is an amenable number.

296220129 is a deficient number, since it is larger than the sum of its proper divisors (98740047).

296220129 is an equidigital number, since it uses as much as digits as its factorization.

296220129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98740046.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 296220129 is about 17211.0467142472. The cubic root of 296220129 is about 666.6095362988.

The spelling of 296220129 in words is "two hundred ninety-six million, two hundred twenty thousand, one hundred twenty-nine".