102897100 has 36 divisors (see below), whose sum is σ = 228047904. Its totient is φ = 40281280.

The previous prime is 102897097. The next prime is 102897131. The reversal of 102897100 is 1798201.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6247 + ... + 15646.

It is an arithmetic number, because the mean of its divisors is an integer number (6334664).

Almost surely, 2^102897100 is an apocalyptic number.

102897100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102897100 is an abundant number, since it is smaller than the sum of its proper divisors (125150804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102897100 is a wasteful number, since it uses less digits than its factorization.

102897100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21954 (or 21947 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 102897100 is about 10143.8207791739. The cubic root of 102897100 is about 468.5986628494.

The spelling of 102897100 in words is "one hundred two million, eight hundred ninety-seven thousand, one hundred".