102240128 has 16 divisors (see below), whose sum is σ = 203681760. Its totient is φ = 51120000.

The previous prime is 102240113. The next prime is 102240133. The reversal of 102240128 is 821042201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399248 + ... + 399503.

It is an arithmetic number, because the mean of its divisors is an integer number (12730110).

Almost surely, 2^102240128 is an apocalyptic number.

It is an amenable number.

102240128 is a deficient number, since it is larger than the sum of its proper divisors (101441632).

102240128 is an frugal number, since it uses more digits than its factorization.

102240128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798765 (or 798753 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 102240128 is about 10111.3860573118. The cubic root of 102240128 is about 467.5992380862.

Adding to 102240128 its reverse (821042201), we get a palindrome (923282329).

The spelling of 102240128 in words is "one hundred two million, two hundred forty thousand, one hundred twenty-eight".