6900129 has 12 divisors (see below), whose sum is σ = 10116496. Its totient is φ = 4531032.

The previous prime is 6900121. The next prime is 6900149. The reversal of 6900129 is 9210096.

It is a happy number.

6900129 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6900129 - 2³ = 6900121 is a prime.

It is a super-2 number, since 2×6900129² = 95223560433282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6900121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5119 + ... + 6324.

Almost surely, 2^6900129 is an apocalyptic number.

It is an amenable number.

6900129 is a deficient number, since it is larger than the sum of its proper divisors (3216367).

6900129 is a wasteful number, since it uses less digits than its factorization.

6900129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11516 (or 11513 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 6900129 is about 2626.8096619283. The cubic root of 6900129 is about 190.3790126015.

The spelling of 6900129 in words is "six million, nine hundred thousand, one hundred twenty-nine".