102140102 has 32 divisors (see below), whose sum is σ = 169150464. Its totient is φ = 46094400.

The previous prime is 102140089. The next prime is 102140111. The reversal of 102140102 is 201041201.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 57593 + ... + 59339.

It is an arithmetic number, because the mean of its divisors is an integer number (5285952).

Almost surely, 2^102140102 is an apocalyptic number.

102140102 is a deficient number, since it is larger than the sum of its proper divisors (67010362).

102140102 is a wasteful number, since it uses less digits than its factorization.

102140102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 102140102 is about 10106.4386407874. The cubic root of 102140102 is about 467.4466973840.

Adding to 102140102 its reverse (201041201), we get a palindrome (303181303).

The spelling of 102140102 in words is "one hundred two million, one hundred forty thousand, one hundred two".