102004142 has 16 divisors (see below), whose sum is σ = 155164032. Its totient is φ = 50287200.

The previous prime is 102004121. The next prime is 102004159. The reversal of 102004142 is 241400201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55043 + ... + 56865.

It is an arithmetic number, because the mean of its divisors is an integer number (9697752).

Almost surely, 2^102004142 is an apocalyptic number.

102004142 is a deficient number, since it is larger than the sum of its proper divisors (53159890).

102004142 is a wasteful number, since it uses less digits than its factorization.

102004142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 102004142 is about 10099.7099958365. The cubic root of 102004142 is about 467.2391971897.

Adding to 102004142 its reverse (241400201), we get a palindrome (343404343).

The spelling of 102004142 in words is "one hundred two million, four thousand, one hundred forty-two".