89101129 has 8 divisors (see below), whose sum is σ = 96332040. Its totient is φ = 81924096.

The previous prime is 89101093. The next prime is 89101157. The reversal of 89101129 is 92110198.

It can be written as a sum of positive squares in 4 ways, for example, as 51093904 + 38007225 = 7148^2 + 6165^2 .

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 89101129 - 2⁹ = 89100617 is a prime.

It is a super-2 number, since 2×89101129² = 15878022378149282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89101129.

It is not an unprimeable number, because it can be changed into a prime (89101169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9994 + ... + 16675.

It is an arithmetic number, because the mean of its divisors is an integer number (12041505).

Almost surely, 2^89101129 is an apocalyptic number.

It is an amenable number.

89101129 is a deficient number, since it is larger than the sum of its proper divisors (7230911).

89101129 is a wasteful number, since it uses less digits than its factorization.

89101129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26939.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 89101129 is about 9439.3394366343. The cubic root of 89101129 is about 446.6435523669.

The spelling of 89101129 in words is "eighty-nine million, one hundred one thousand, one hundred twenty-nine".