1020122123 has 2 divisors, whose sum is σ = 1020122124. Its totient is φ = 1020122122.

The previous prime is 1020122099. The next prime is 1020122143. The reversal of 1020122123 is 3212210201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020122123 - 2¹⁰ = 1020121099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020122098 and 1020122107.

It is not a weakly prime, because it can be changed into another prime (1020122143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510061061 + 510061062.

It is an arithmetic number, because the mean of its divisors is an integer number (510061062).

Almost surely, 2^1020122123 is an apocalyptic number.

1020122123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020122123 is an equidigital number, since it uses as much as digits as its factorization.

1020122123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1020122123 is about 31939.3506978461. The cubic root of 1020122123 is about 1006.6628817429.

Adding to 1020122123 its reverse (3212210201), we get a palindrome (4232332324).

The spelling of 1020122123 in words is "one billion, twenty million, one hundred twenty-two thousand, one hundred twenty-three".