102118378 has 16 divisors (see below), whose sum is σ = 157028256. Its totient is φ = 49780080.

The previous prime is 102118343. The next prime is 102118381. The reversal of 102118378 is 873811201.

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, 87225 + ... + 88387.

It is an arithmetic number, because the mean of its divisors is an integer number (9814266).

Almost surely, 2^102118378 is an apocalyptic number.

102118378 is a deficient number, since it is larger than the sum of its proper divisors (54909878).

102118378 is a wasteful number, since it uses less digits than its factorization.

102118378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 102118378 is about 10105.3638232376. The cubic root of 102118378 is about 467.4135548935.

Adding to 102118378 its reverse (873811201), we get a palindrome (975929579).

The spelling of 102118378 in words is "one hundred two million, one hundred eighteen thousand, three hundred seventy-eight".