9016129 has 4 divisors (see below), whose sum is σ = 9327060. Its totient is φ = 8705200.

The previous prime is 9016121. The next prime is 9016177. The reversal of 9016129 is 9216109.

9016129 = T₇₇₄ + T₇₇₅ + ... + T₈₀₂.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5107600 + 3908529 = 2260^2 + 1977^2 .

It is a cyclic number.

It is not a de Polignac number, because 9016129 - 2³ = 9016121 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

9016129 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9016097 and 9016106.

It is not an unprimeable number, because it can be changed into a prime (9016121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155422 + ... + 155479.

It is an arithmetic number, because the mean of its divisors is an integer number (2331765).

Almost surely, 2^9016129 is an apocalyptic number.

It is an amenable number.

9016129 is a deficient number, since it is larger than the sum of its proper divisors (310931).

9016129 is a wasteful number, since it uses less digits than its factorization.

9016129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310930.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 9016129 is about 3002.6869633713. The cubic root of 9016129 is about 208.1325661953.

The spelling of 9016129 in words is "nine million, sixteen thousand, one hundred twenty-nine".