1320712141 has 24 divisors (see below), whose sum is σ = 1633457664. Its totient is φ = 1062341280.

The previous prime is 1320712123. The next prime is 1320712153. The reversal of 1320712141 is 1412170231.

It is a happy number.

It is not a de Polignac number, because 1320712141 - 2²¹ = 1318614989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320715141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48676 + ... + 70786.

It is an arithmetic number, because the mean of its divisors is an integer number (68060736).

Almost surely, 2^1320712141 is an apocalyptic number.

It is an amenable number.

1320712141 is a deficient number, since it is larger than the sum of its proper divisors (312745523).

1320712141 is a wasteful number, since it uses less digits than its factorization.

1320712141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22201 (or 22194 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1320712141 is about 36341.6034456379. The cubic root of 1320712141 is about 1097.1585455073.

Adding to 1320712141 its reverse (1412170231), we get a palindrome (2732882372).

The spelling of 1320712141 in words is "one billion, three hundred twenty million, seven hundred twelve thousand, one hundred forty-one".