102240052 has 6 divisors (see below), whose sum is σ = 178920098. Its totient is φ = 51120024.

The previous prime is 102240011. The next prime is 102240053. The reversal of 102240052 is 250042201.

It can be written as a sum of positive squares in only one way, i.e., 101727396 + 512656 = 10086^2 + 716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102240053) by changing a digit.

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 as a sum of consecutive naturals, namely, 12780003 + ... + 12780010.

Almost surely, 2^102240052 is an apocalyptic number.

It is an amenable number.

102240052 is a deficient number, since it is larger than the sum of its proper divisors (76680046).

102240052 is a wasteful number, since it uses less digits than its factorization.

102240052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25560017 (or 25560015 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 102240052 is about 10111.3822991716. The cubic root of 102240052 is about 467.5991222232.

Adding to 102240052 its reverse (250042201), we get a palindrome (352282253).

The spelling of 102240052 in words is "one hundred two million, two hundred forty thousand, fifty-two".