1291414129 has 12 divisors (see below), whose sum is σ = 1374254800. Its totient is φ = 1213316928.

The previous prime is 1291414121. The next prime is 1291414139. The reversal of 1291414129 is 9214141921.

It is not a de Polignac number, because 1291414129 - 2³ = 1291414121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1291414094 and 1291414103.

It is not an unprimeable number, because it can be changed into a prime (1291414121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175282 + ... + 182500.

Almost surely, 2^1291414129 is an apocalyptic number.

It is an amenable number.

1291414129 is a deficient number, since it is larger than the sum of its proper divisors (82840671).

1291414129 is an equidigital number, since it uses as much as digits as its factorization.

1291414129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7872 (or 7855 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The square root of 1291414129 is about 35936.2509035097. The cubic root of 1291414129 is about 1088.9848666850.

The spelling of 1291414129 in words is "one billion, two hundred ninety-one million, four hundred fourteen thousand, one hundred twenty-nine".