102142796 has 24 divisors (see below), whose sum is σ = 205852416. Its totient is φ = 43439760.

The previous prime is 102142771. The next prime is 102142837. The reversal of 102142796 is 697241201.

It is a happy 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, 10256 + ... + 17591.

It is an arithmetic number, because the mean of its divisors is an integer number (8577184).

Almost surely, 2^102142796 is an apocalyptic number.

It is an amenable number.

102142796 is an abundant number, since it is smaller than the sum of its proper divisors (103709620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102142796 is a wasteful number, since it uses less digits than its factorization.

102142796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27989 (or 27987 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 102142796 is about 10106.5719212797. The cubic root of 102142796 is about 467.4508070671.

Adding to 102142796 its reverse (697241201), we get a palindrome (799383997).

The spelling of 102142796 in words is "one hundred two million, one hundred forty-two thousand, seven hundred ninety-six".