102103142 has 16 divisors (see below), whose sum is σ = 161038800. Its totient is φ = 48481440.

The previous prime is 102103121. The next prime is 102103147. The reversal of 102103142 is 241301201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102103147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10892 + ... + 17967.

It is an arithmetic number, because the mean of its divisors is an integer number (10064925).

Almost surely, 2^102103142 is an apocalyptic number.

102103142 is a deficient number, since it is larger than the sum of its proper divisors (58935658).

102103142 is a wasteful number, since it uses less digits than its factorization.

102103142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28951.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102103142 is about 10104.6099380431. The cubic root of 102103142 is about 467.3903077978.

Adding to 102103142 its reverse (241301201), we get a palindrome (343404343).

The spelling of 102103142 in words is "one hundred two million, one hundred three thousand, one hundred forty-two".