1122428596621 has 2 divisors, whose sum is σ = 1122428596622. Its totient is φ = 1122428596620.

The previous prime is 1122428596591. The next prime is 1122428596631. The reversal of 1122428596621 is 1266958242211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 897576234025 + 224852362596 = 947405^2 + 474186^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122428596621 - 2⁵ = 1122428596589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122428596631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561214298310 + 561214298311.

It is an arithmetic number, because the mean of its divisors is an integer number (561214298311).

Almost surely, 2^{1122428596621} is an apocalyptic number.

It is an amenable number.

1122428596621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122428596621 is an equidigital number, since it uses as much as digits as its factorization.

1122428596621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 49.

The spelling of 1122428596621 in words is "one trillion, one hundred twenty-two billion, four hundred twenty-eight million, five hundred ninety-six thousand, six hundred twenty-one".