1320232141 has 4 divisors (see below), whose sum is σ = 1335066300. Its totient is φ = 1305397984.

The previous prime is 1320232129. The next prime is 1320232159. The reversal of 1320232141 is 1412320231.

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 448211241 + 872020900 = 21171^2 + 29530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320232141 - 2⁷ = 1320232013 is a prime.

It is a super-2 number, since 2×1320232141² = 3486025812258887762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320202141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7416946 + ... + 7417123.

It is an arithmetic number, because the mean of its divisors is an integer number (333766575).

Almost surely, 2^1320232141 is an apocalyptic number.

It is an amenable number.

1320232141 is a deficient number, since it is larger than the sum of its proper divisors (14834159).

1320232141 is an equidigital number, since it uses as much as digits as its factorization.

1320232141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14834158.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1320232141 is about 36334.9988440897. The cubic root of 1320232141 is about 1097.0256121959.

Adding to 1320232141 its reverse (1412320231), we get a palindrome (2732552372).

The spelling of 1320232141 in words is "one billion, three hundred twenty million, two hundred thirty-two thousand, one hundred forty-one".