1016143129 has 9 divisors (see below), whose sum is σ = 1028304021. Its totient is φ = 1004125500.

The previous prime is 1016143097. The next prime is 1016143147. The reversal of 1016143129 is 9213416101.

The square root of 1016143129 is 31877.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1016143129 - 2⁵ = 1016143097 is a prime.

It is a super-2 number, since 2×1016143129² = 2065093717227821282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1016143097 and 1016143106.

It is not an unprimeable number, because it can be changed into a prime (1016143169) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4048254 + ... + 4048504.

Almost surely, 2^1016143129 is an apocalyptic number.

1016143129 is the 31877-th square number.

1016143129 is the 15939-th centered octagonal number.

It is an amenable number.

1016143129 is a deficient number, since it is larger than the sum of its proper divisors (12160892).

1016143129 is an frugal number, since it uses more digits than its factorization.

1016143129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The cubic root of 1016143129 is about 1005.3523442999.

Multiplying 1016143129 by its product of nonzero digits (1296), we get a square (1316921495184 = 1147572²).

The spelling of 1016143129 in words is "one billion, sixteen million, one hundred forty-three thousand, one hundred twenty-nine".