29791129 has 2 divisors, whose sum is σ = 29791130. Its totient is φ = 29791128.

The previous prime is 29791121. The next prime is 29791159. The reversal of 29791129 is 92119792.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23425600 + 6365529 = 4840^2 + 2523^2 .

It is a cyclic number.

It is not a de Polignac number, because 29791129 - 2³ = 29791121 is a prime.

It is a super-2 number, since 2×29791129² = 1775022734189282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29791091 and 29791100.

It is not a weakly prime, because it can be changed into another prime (29791121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14895564 + 14895565.

It is an arithmetic number, because the mean of its divisors is an integer number (14895565).

Almost surely, 2^29791129 is an apocalyptic number.

It is an amenable number.

29791129 is a deficient number, since it is larger than the sum of its proper divisors (1).

29791129 is an equidigital number, since it uses as much as digits as its factorization.

29791129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 40.

The square root of 29791129 is about 5458.1250443719. The cubic root of 29791129 is about 310.0004474499. Note that the first 3 decimals are identical.

The spelling of 29791129 in words is "twenty-nine million, seven hundred ninety-one thousand, one hundred twenty-nine".