1242010207 has 2 divisors, whose sum is σ = 1242010208. Its totient is φ = 1242010206.

The previous prime is 1242010199. The next prime is 1242010243. The reversal of 1242010207 is 7020102421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1242010207 - 2³ = 1242010199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242010907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621005103 + 621005104.

It is an arithmetic number, because the mean of its divisors is an integer number (621005104).

Almost surely, 2^1242010207 is an apocalyptic number.

1242010207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242010207 is an equidigital number, since it uses as much as digits as its factorization.

1242010207 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1242010207 is about 35242.1651860382. The cubic root of 1242010207 is about 1074.9173059158.

Adding to 1242010207 its reverse (7020102421), we get a palindrome (8262112628).

The spelling of 1242010207 in words is "one billion, two hundred forty-two million, ten thousand, two hundred seven".