1201245107 has 2 divisors, whose sum is σ = 1201245108. Its totient is φ = 1201245106.

The previous prime is 1201245091. The next prime is 1201245131. The reversal of 1201245107 is 7015421021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201245107 - 2⁴ = 1201245091 is a prime.

It is a super-3 number, since 3×1201245107³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1201245137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600622553 + 600622554.

It is an arithmetic number, because the mean of its divisors is an integer number (600622554).

Almost surely, 2^1201245107 is an apocalyptic number.

1201245107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201245107 is an equidigital number, since it uses as much as digits as its factorization.

1201245107 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 23.

The square root of 1201245107 is about 34658.9830635580. The cubic root of 1201245107 is about 1063.0259764790.

Adding to 1201245107 its reverse (7015421021), we get a palindrome (8216666128).

The spelling of 1201245107 in words is "one billion, two hundred one million, two hundred forty-five thousand, one hundred seven".