1220132341 has 4 divisors (see below), whose sum is σ = 1262205900. Its totient is φ = 1178058784.

The previous prime is 1220132339. The next prime is 1220132351. The reversal of 1220132341 is 1432310221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1432310221 = 509 ⋅2813969.

It can be written as a sum of positive squares in 2 ways, for example, as 611523441 + 608608900 = 24729^2 + 24670^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220132341 - 2¹ = 1220132339 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 (1220132351) 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 3 ways as a sum of consecutive naturals, for example, 21036736 + ... + 21036793.

It is an arithmetic number, because the mean of its divisors is an integer number (315551475).

Almost surely, 2^1220132341 is an apocalyptic number.

It is an amenable number.

1220132341 is a deficient number, since it is larger than the sum of its proper divisors (42073559).

1220132341 is an equidigital number, since it uses as much as digits as its factorization.

1220132341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42073558.

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

The square root of 1220132341 is about 34930.3927976769. The cubic root of 1220132341 is about 1068.5683654440.

Adding to 1220132341 its reverse (1432310221), we get a palindrome (2652442562).

The spelling of 1220132341 in words is "one billion, two hundred twenty million, one hundred thirty-two thousand, three hundred forty-one".