1220104507 has 2 divisors, whose sum is σ = 1220104508. Its totient is φ = 1220104506.

The previous prime is 1220104499. The next prime is 1220104517. The reversal of 1220104507 is 7054010221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220104507 - 2³ = 1220104499 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220104517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610052253 + 610052254.

It is an arithmetic number, because the mean of its divisors is an integer number (610052254).

Almost surely, 2^1220104507 is an apocalyptic number.

1220104507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220104507 is an equidigital number, since it uses as much as digits as its factorization.

1220104507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 1220104507 is about 34929.9943744628. The cubic root of 1220104507 is about 1068.5602398888.

Adding to 1220104507 its reverse (7054010221), we get a palindrome (8274114728).

The spelling of 1220104507 in words is "one billion, two hundred twenty million, one hundred four thousand, five hundred seven".