102527240242 has 24 divisors (see below), whose sum is σ = 179667421596. Its totient is φ = 43751651328.

The previous prime is 102527240237. The next prime is 102527240273. The reversal of 102527240242 is 242042725201.

It can be written as a sum of positive squares in 2 ways, for example, as 77395796401 + 25131443841 = 278201^2 + 158529^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2222223 + ... + 2267890.

Almost surely, 2^102527240242 is an apocalyptic number.

102527240242 is a deficient number, since it is larger than the sum of its proper divisors (77140181354).

102527240242 is a wasteful number, since it uses less digits than its factorization.

102527240242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490362 (or 4490355 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 31.

Adding to 102527240242 its reverse (242042725201), we get a palindrome (344569965443).

The spelling of 102527240242 in words is "one hundred two billion, five hundred twenty-seven million, two hundred forty thousand, two hundred forty-two".