1220103043 has 2 divisors, whose sum is σ = 1220103044. Its totient is φ = 1220103042.

The previous prime is 1220103037. The next prime is 1220103061. The reversal of 1220103043 is 3403010221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220103043 - 2⁹ = 1220102531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220103013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610051521 + 610051522.

It is an arithmetic number, because the mean of its divisors is an integer number (610051522).

Almost surely, 2^1220103043 is an apocalyptic number.

1220103043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220103043 is an equidigital number, since it uses as much as digits as its factorization.

1220103043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1220103043 is about 34929.9734182550. The cubic root of 1220103043 is about 1068.5598125011.

Adding to 1220103043 its reverse (3403010221), we get a palindrome (4623113264).

The spelling of 1220103043 in words is "one billion, two hundred twenty million, one hundred three thousand, forty-three".