102122889 has 8 divisors (see below), whose sum is σ = 148542432. Its totient is φ = 61892640.

The previous prime is 102122873. The next prime is 102122899. The reversal of 102122889 is 988221201.

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

It is not a de Polignac number, because 102122889 - 2⁴ = 102122873 is a prime.

It is a super-3 number, since 3×102122889³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 3094633 = 102122889 / (1 + 0 + 2 + 1 + 2 + 2 + 8 + 8 + 9).

It is not an unprimeable number, because it can be changed into a prime (102122809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547284 + ... + 1547349.

It is an arithmetic number, because the mean of its divisors is an integer number (18567804).

Almost surely, 2^102122889 is an apocalyptic number.

It is an amenable number.

102122889 is a deficient number, since it is larger than the sum of its proper divisors (46419543).

102122889 is a wasteful number, since it uses less digits than its factorization.

102122889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094647.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 102122889 is about 10105.5870190702. The cubic root of 102122889 is about 467.4204373357.

The spelling of 102122889 in words is "one hundred two million, one hundred twenty-two thousand, eight hundred eighty-nine".