1121406731441 has 2 divisors, whose sum is σ = 1121406731442. Its totient is φ = 1121406731440.

The previous prime is 1121406731429. The next prime is 1121406731503. The reversal of 1121406731441 is 1441376041211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 698294209600 + 423112521841 = 835640^2 + 650471^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121406731441 - 2²² = 1121402537137 is a prime.

It is a super-4 number, since 4×1121406731441⁴ (a number of 49 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (1121406731411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560703365720 + 560703365721.

It is an arithmetic number, because the mean of its divisors is an integer number (560703365721).

Almost surely, 2^{1121406731441} is an apocalyptic number.

It is an amenable number.

1121406731441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121406731441 is an equidigital number, since it uses as much as digits as its factorization.

1121406731441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 1121406731441 in words is "one trillion, one hundred twenty-one billion, four hundred six million, seven hundred thirty-one thousand, four hundred forty-one".