102717142 has 12 divisors (see below), whose sum is σ = 169356348. Its totient is φ = 46689500.

The previous prime is 102717071. The next prime is 102717151. The reversal of 102717142 is 241717201.

It is a super-2 number, since 2×102717142² = 21101622521296328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211984 + ... + 212467.

It is an arithmetic number, because the mean of its divisors is an integer number (14113029).

Almost surely, 2^102717142 is an apocalyptic number.

102717142 is a deficient number, since it is larger than the sum of its proper divisors (66639206).

102717142 is a wasteful number, since it uses less digits than its factorization.

102717142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424475 (or 424464 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 102717142 is about 10134.9465711468. The cubic root of 102717142 is about 468.3253241230.

The spelling of 102717142 in words is "one hundred two million, seven hundred seventeen thousand, one hundred forty-two".