10644129 has 32 divisors (see below), whose sum is σ = 16583680. Its totient is φ = 6823440.

The previous prime is 10644121. The next prime is 10644163. The reversal of 10644129 is 92144601.

10644129 is a `hidden beast` number, since 1 + 0 + 644 + 12 + 9 = 666.

It is not a de Polignac number, because 10644129 - 2³ = 10644121 is a prime.

It is a super-2 number, since 2×10644129² = 226594964337282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10644121) 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, 67719 + ... + 67875.

It is an arithmetic number, because the mean of its divisors is an integer number (518240).

Almost surely, 2^10644129 is an apocalyptic number.

It is an amenable number.

10644129 is a deficient number, since it is larger than the sum of its proper divisors (5939551).

10644129 is an frugal number, since it uses more digits than its factorization.

10644129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 10644129 is about 3262.5341377524. The cubic root of 10644129 is about 219.9733369891.

The spelling of 10644129 in words is "ten million, six hundred forty-four thousand, one hundred twenty-nine".