1201225952039 has 2 divisors, whose sum is σ = 1201225952040. Its totient is φ = 1201225952038.

The previous prime is 1201225951901. The next prime is 1201225952071. The reversal of 1201225952039 is 9302595221021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9302595221021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201225952039 - 2¹⁶ = 1201225886503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201225951987 and 1201225952005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201225952239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600612976019 + 600612976020.

It is an arithmetic number, because the mean of its divisors is an integer number (600612976020).

Almost surely, 2^{1201225952039} is an apocalyptic number.

1201225952039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201225952039 is an equidigital number, since it uses as much as digits as its factorization.

1201225952039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 1201225952039 in words is "one trillion, two hundred one billion, two hundred twenty-five million, nine hundred fifty-two thousand, thirty-nine".