107872129 has 4 divisors (see below), whose sum is σ = 108414400. Its totient is φ = 107329860.

The previous prime is 107872111. The next prime is 107872151. The reversal of 107872129 is 921278701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107872129 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107872109) 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 3 ways as a sum of consecutive naturals, for example, 270837 + ... + 271234.

It is an arithmetic number, because the mean of its divisors is an integer number (27103600).

Almost surely, 2^107872129 is an apocalyptic number.

It is an amenable number.

107872129 is a deficient number, since it is larger than the sum of its proper divisors (542271).

107872129 is an equidigital number, since it uses as much as digits as its factorization.

107872129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542270.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 107872129 is about 10386.1508269426. The cubic root of 107872129 is about 476.0322945511.

The spelling of 107872129 in words is "one hundred seven million, eight hundred seventy-two thousand, one hundred twenty-nine".