102642088 has 16 divisors (see below), whose sum is σ = 195091380. Its totient is φ = 50617728.

The previous prime is 102642083. The next prime is 102642097. The reversal of 102642088 is 880246201.

It can be written as a sum of positive squares in 2 ways, for example, as 87572164 + 15069924 = 9358^2 + 3882^2 .

It is not an unprimeable number, because it can be changed into a prime (102642083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87295 + ... + 88462.

Almost surely, 2^102642088 is an apocalyptic number.

It is an amenable number.

102642088 is a deficient number, since it is larger than the sum of its proper divisors (92449292).

102642088 is a wasteful number, since it uses less digits than its factorization.

102642088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175836 (or 175832 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 102642088 is about 10131.2431616263. The cubic root of 102642088 is about 468.2112300429.

Adding to 102642088 its reverse (880246201), we get a palindrome (982888289).

The spelling of 102642088 in words is "one hundred two million, six hundred forty-two thousand, eighty-eight".