102009064 has 8 divisors (see below), whose sum is σ = 191267010. Its totient is φ = 51004528.

The previous prime is 102009059. The next prime is 102009079. The reversal of 102009064 is 460900201.

It can be written as a sum of positive squares in only one way, i.e., 80460900 + 21548164 = 8970^2 + 4642^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375559 + ... + 6375574.

Almost surely, 2^102009064 is an apocalyptic number.

It is an amenable number.

102009064 is a deficient number, since it is larger than the sum of its proper divisors (89257946).

102009064 is a wasteful number, since it uses less digits than its factorization.

102009064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12751139 (or 12751135 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 102009064 is about 10099.9536632600. The cubic root of 102009064 is about 467.2467122908.

Adding to 102009064 its reverse (460900201), we get a palindrome (562909265).

The spelling of 102009064 in words is "one hundred two million, nine thousand, sixty-four".