122040403447 has 2 divisors, whose sum is σ = 122040403448. Its totient is φ = 122040403446.

The previous prime is 122040403421. The next prime is 122040403547. The reversal of 122040403447 is 744304040221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122040403447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122040403547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61020201723 + 61020201724.

It is an arithmetic number, because the mean of its divisors is an integer number (61020201724).

Almost surely, 2^122040403447 is an apocalyptic number.

122040403447 is a deficient number, since it is larger than the sum of its proper divisors (1).

122040403447 is an equidigital number, since it uses as much as digits as its factorization.

122040403447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 31.

Adding to 122040403447 its reverse (744304040221), we get a palindrome (866344443668).

The spelling of 122040403447 in words is "one hundred twenty-two billion, forty million, four hundred three thousand, four hundred forty-seven".