1320272241 has 32 divisors (see below), whose sum is σ = 1964684160. Its totient is φ = 784702464.

The previous prime is 1320272203. The next prime is 1320272281. The reversal of 1320272241 is 1422720231.

It is a de Polignac number, because none of the positive numbers 2^k-1320272241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320272281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69966 + ... + 86808.

It is an arithmetic number, because the mean of its divisors is an integer number (61396380).

Almost surely, 2^1320272241 is an apocalyptic number.

It is an amenable number.

1320272241 is a deficient number, since it is larger than the sum of its proper divisors (644411919).

1320272241 is a wasteful number, since it uses less digits than its factorization.

1320272241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16945.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1320272241 is about 36335.5506494673. The cubic root of 1320272241 is about 1097.0367188996.

Adding to 1320272241 its reverse (1422720231), we get a palindrome (2742992472).

The spelling of 1320272241 in words is "one billion, three hundred twenty million, two hundred seventy-two thousand, two hundred forty-one".