102874189 has 16 divisors (see below), whose sum is σ = 120890880. Its totient is φ = 86531760.

The previous prime is 102874159. The next prime is 102874217. The reversal of 102874189 is 981478201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102874189 - 2⁷ = 102874061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102874159) 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 15 ways as a sum of consecutive naturals, for example, 3264 + ... + 14710.

It is an arithmetic number, because the mean of its divisors is an integer number (7555680).

Almost surely, 2^102874189 is an apocalyptic number.

102874189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

102874189 is a deficient number, since it is larger than the sum of its proper divisors (18016691).

102874189 is a wasteful number, since it uses less digits than its factorization.

102874189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11520.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 102874189 is about 10142.6914081027. The cubic root of 102874189 is about 468.5638809786.

The spelling of 102874189 in words is "one hundred two million, eight hundred seventy-four thousand, one hundred eighty-nine".