99030129 has 32 divisors (see below), whose sum is σ = 150450048. Its totient is φ = 57408000.

The previous prime is 99030103. The next prime is 99030163. The reversal of 99030129 is 92103099.

It is not a de Polignac number, because 99030129 - 2²⁰ = 97981553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99030129.

It is not an unprimeable number, because it can be changed into a prime (99030329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71019 + ... + 72399.

It is an arithmetic number, because the mean of its divisors is an integer number (4701564).

Almost surely, 2^99030129 is an apocalyptic number.

It is an amenable number.

99030129 is a deficient number, since it is larger than the sum of its proper divisors (51419919).

99030129 is a wasteful number, since it uses less digits than its factorization.

99030129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 99030129 is about 9951.3882951074. The cubic root of 99030129 is about 462.6534250179.

The spelling of 99030129 in words is "ninety-nine million, thirty thousand, one hundred twenty-nine".