1022545123 has 2 divisors, whose sum is σ = 1022545124. Its totient is φ = 1022545122.

The previous prime is 1022545103. The next prime is 1022545141. The reversal of 1022545123 is 3215452201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022545123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022545103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511272561 + 511272562.

It is an arithmetic number, because the mean of its divisors is an integer number (511272562).

Almost surely, 2^1022545123 is an apocalyptic number.

1022545123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022545123 is an equidigital number, since it uses as much as digits as its factorization.

1022545123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1022545123 is about 31977.2594666898. The cubic root of 1022545123 is about 1007.4592620636.

Adding to 1022545123 its reverse (3215452201), we get a palindrome (4237997324).

The spelling of 1022545123 in words is "one billion, twenty-two million, five hundred forty-five thousand, one hundred twenty-three".