1020035129 has 16 divisors (see below), whose sum is σ = 1099799040. Its totient is φ = 944110080.

The previous prime is 1020035117. The next prime is 1020035147. The reversal of 1020035129 is 9215300201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020035129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020035179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60137 + ... + 75209.

It is an arithmetic number, because the mean of its divisors is an integer number (68737440).

Almost surely, 2^1020035129 is an apocalyptic number.

It is an amenable number.

1020035129 is a deficient number, since it is larger than the sum of its proper divisors (79763911).

1020035129 is a wasteful number, since it uses less digits than its factorization.

1020035129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15200.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1020035129 is about 31937.9888064355. The cubic root of 1020035129 is about 1006.6342655219.

The spelling of 1020035129 in words is "one billion, twenty million, thirty-five thousand, one hundred twenty-nine".