1121042413429 has 2 divisors, whose sum is σ = 1121042413430. Its totient is φ = 1121042413428.

The previous prime is 1121042413417. The next prime is 1121042413471. The reversal of 1121042413429 is 9243142401211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609495612804 + 511546800625 = 780702^2 + 715225^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121042413429 - 2¹¹ = 1121042411381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121042413394 and 1121042413403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121042413489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560521206714 + 560521206715.

It is an arithmetic number, because the mean of its divisors is an integer number (560521206715).

Almost surely, 2^{1121042413429} is an apocalyptic number.

It is an amenable number.

1121042413429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121042413429 is an equidigital number, since it uses as much as digits as its factorization.

1121042413429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 1121042413429 in words is "one trillion, one hundred twenty-one billion, forty-two million, four hundred thirteen thousand, four hundred twenty-nine".