1270000129 has 8 divisors (see below), whose sum is σ = 1288040960. Its totient is φ = 1252008576.

The previous prime is 1270000087. The next prime is 1270000163. The reversal of 1270000129 is 9210000721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1270000129 - 2⁹ = 1269999617 is a prime.

It is a super-2 number, since 2×1270000129² = 3225800655320033282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1270000189) 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 in 7 ways as a sum of consecutive naturals, for example, 41224 + ... + 65110.

It is an arithmetic number, because the mean of its divisors is an integer number (161005120).

Almost surely, 2^1270000129 is an apocalyptic number.

It is an amenable number.

1270000129 is a deficient number, since it is larger than the sum of its proper divisors (18040831).

1270000129 is an equidigital number, since it uses as much as digits as its factorization.

1270000129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24639.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1270000129 is about 35637.0611723245. The cubic root of 1270000129 is about 1082.9321694982.

It can be divided in two parts, 1270000 and 129, that added together give a square (1270129 = 1127²).

The spelling of 1270000129 in words is "one billion, two hundred seventy million, one hundred twenty-nine", and thus it is an aban number.