1220332141 has 8 divisors (see below), whose sum is σ = 1400652864. Its totient is φ = 1041508320.

The previous prime is 1220332117. The next prime is 1220332207. The reversal of 1220332141 is 1412330221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220332141 - 2⁵ = 1220332109 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 (1220332541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372475 + ... + 375736.

It is an arithmetic number, because the mean of its divisors is an integer number (175081608).

Almost surely, 2^1220332141 is an apocalyptic number.

It is an amenable number.

1220332141 is a deficient number, since it is larger than the sum of its proper divisors (180320723).

1220332141 is an equidigital number, since it uses as much as digits as its factorization.

1220332141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748451.

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

The square root of 1220332141 is about 34933.2526541689. The cubic root of 1220332141 is about 1068.6266892557.

Adding to 1220332141 its reverse (1412330221), we get a palindrome (2632662362).

It can be divided in two parts, 12203 and 32141, that added together give a palindrome (44344).

The spelling of 1220332141 in words is "one billion, two hundred twenty million, three hundred thirty-two thousand, one hundred forty-one".