1122256321939 has 2 divisors, whose sum is σ = 1122256321940. Its totient is φ = 1122256321938.

The previous prime is 1122256321913. The next prime is 1122256321961. The reversal of 1122256321939 is 9391236522211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122256321939 - 2¹³ = 1122256313747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122256321639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561128160969 + 561128160970.

It is an arithmetic number, because the mean of its divisors is an integer number (561128160970).

Almost surely, 2^{1122256321939} is an apocalyptic number.

1122256321939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122256321939 is an equidigital number, since it uses as much as digits as its factorization.

1122256321939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 46.

The spelling of 1122256321939 in words is "one trillion, one hundred twenty-two billion, two hundred fifty-six million, three hundred twenty-one thousand, nine hundred thirty-nine".