1220003102 has 4 divisors (see below), whose sum is σ = 1830004656. Its totient is φ = 610001550.

The previous prime is 1220003077. The next prime is 1220003107. The reversal of 1220003102 is 2013000221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220003107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305000774 + ... + 305000777.

It is an arithmetic number, because the mean of its divisors is an integer number (457501164).

Almost surely, 2^1220003102 is an apocalyptic number.

1220003102 is a deficient number, since it is larger than the sum of its proper divisors (610001554).

1220003102 is an equidigital number, since it uses as much as digits as its factorization.

1220003102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610001553.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1220003102 is about 34928.5427981186. The cubic root of 1220003102 is about 1068.5306357708.

Adding to 1220003102 its reverse (2013000221), we get a palindrome (3233003323).

The spelling of 1220003102 in words is "one billion, two hundred twenty million, three thousand, one hundred two".