102194800 has 30 divisors (see below), whose sum is σ = 245523968. Its totient is φ = 40877760.

The previous prime is 102194761. The next prime is 102194821. The reversal of 102194800 is 8491201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127344 + ... + 128143.

Almost surely, 2^102194800 is an apocalyptic number.

102194800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102194800 is an abundant number, since it is smaller than the sum of its proper divisors (143329168).

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

102194800 is a wasteful number, since it uses less digits than its factorization.

102194800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255505 (or 255494 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 102194800 is about 10109.1443752674. The cubic root of 102194800 is about 467.5301247424.

The spelling of 102194800 in words is "one hundred two million, one hundred ninety-four thousand, eight hundred".