1123420035277 has 2 divisors, whose sum is σ = 1123420035278. Its totient is φ = 1123420035276.

The previous prime is 1123420035251. The next prime is 1123420035371. The reversal of 1123420035277 is 7725300243211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 902868637636 + 220551397641 = 950194^2 + 469629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123420035277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123423035277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561710017638 + 561710017639.

It is an arithmetic number, because the mean of its divisors is an integer number (561710017639).

Almost surely, 2^{1123420035277} is an apocalyptic number.

It is an amenable number.

1123420035277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123420035277 is an equidigital number, since it uses as much as digits as its factorization.

1123420035277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 37.

Adding to 1123420035277 its reverse (7725300243211), we get a palindrome (8848720278488).

The spelling of 1123420035277 in words is "one trillion, one hundred twenty-three billion, four hundred twenty million, thirty-five thousand, two hundred seventy-seven".