122143403251 has 2 divisors, whose sum is σ = 122143403252. Its totient is φ = 122143403250.

The previous prime is 122143403201. The next prime is 122143403299. The reversal of 122143403251 is 152304341221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122143403251 - 2¹⁵ = 122143370483 is a prime.

It is not a weakly prime, because it can be changed into another prime (122143403201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61071701625 + 61071701626.

It is an arithmetic number, because the mean of its divisors is an integer number (61071701626).

Almost surely, 2^122143403251 is an apocalyptic number.

122143403251 is a deficient number, since it is larger than the sum of its proper divisors (1).

122143403251 is an equidigital number, since it uses as much as digits as its factorization.

122143403251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 122143403251 its reverse (152304341221), we get a palindrome (274447744472).

The spelling of 122143403251 in words is "one hundred twenty-two billion, one hundred forty-three million, four hundred three thousand, two hundred fifty-one".