2990129 has 4 divisors (see below), whose sum is σ = 3002880. Its totient is φ = 2977380.

The previous prime is 2990123. The next prime is 2990131. The reversal of 2990129 is 9210992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2990129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2990095 and 2990104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990123) 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, 6017 + ... + 6494.

It is an arithmetic number, because the mean of its divisors is an integer number (750720).

2^2990129 is an apocalyptic number.

It is an amenable number.

2990129 is a deficient number, since it is larger than the sum of its proper divisors (12751).

2990129 is a wasteful number, since it uses less digits than its factorization.

2990129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12750.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 2990129 is about 1729.1989474898. The cubic root of 2990129 is about 144.0666004937.

The spelling of 2990129 in words is "two million, nine hundred ninety thousand, one hundred twenty-nine".