1220241007 has 2 divisors, whose sum is σ = 1220241008. Its totient is φ = 1220241006.

The previous prime is 1220240993. The next prime is 1220241023. The reversal of 1220241007 is 7001420221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7001420221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220241007 - 2²³ = 1211852399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220242007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610120503 + 610120504.

It is an arithmetic number, because the mean of its divisors is an integer number (610120504).

Almost surely, 2^1220241007 is an apocalyptic number.

1220241007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220241007 is an equidigital number, since it uses as much as digits as its factorization.

1220241007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1220241007 is about 34931.9482279474. The cubic root of 1220241007 is about 1068.6000870311.

Adding to 1220241007 its reverse (7001420221), we get a palindrome (8221661228).

The spelling of 1220241007 in words is "one billion, two hundred twenty million, two hundred forty-one thousand, seven".