1123213021039 has 2 divisors, whose sum is σ = 1123213021040. Its totient is φ = 1123213021038.

The previous prime is 1123213021013. The next prime is 1123213021109. The reversal of 1123213021039 is 9301203123211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123213021039 - 2¹³ = 1123213012847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123213020998 and 1123213021016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123213028039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561606510519 + 561606510520.

It is an arithmetic number, because the mean of its divisors is an integer number (561606510520).

Almost surely, 2^{1123213021039} is an apocalyptic number.

1123213021039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123213021039 is an equidigital number, since it uses as much as digits as its factorization.

1123213021039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 1123213021039 in words is "one trillion, one hundred twenty-three billion, two hundred thirteen million, twenty-one thousand, thirty-nine".