1120002129 has 6 divisors (see below), whose sum is σ = 1617780866. Its totient is φ = 746668080.

The previous prime is 1120002119. The next prime is 1120002161. The reversal of 1120002129 is 9212000211.

It can be written as a sum of positive squares in only one way, i.e., 742671504 + 377330625 = 27252^2 + 19425^2 .

It is not a de Polignac number, because 1120002129 - 2⁷ = 1120002001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120002119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62222332 + ... + 62222349.

Almost surely, 2^1120002129 is an apocalyptic number.

It is an amenable number.

1120002129 is a deficient number, since it is larger than the sum of its proper divisors (497778737).

1120002129 is a wasteful number, since it uses less digits than its factorization.

1120002129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124444687 (or 124444684 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1120002129 is about 33466.4328693693. The cubic root of 1120002129 is about 1038.4994783948.

The spelling of 1120002129 in words is "one billion, one hundred twenty million, two thousand, one hundred twenty-nine".