102697078 has 8 divisors (see below), whose sum is σ = 168049800. Its totient is φ = 46680480.

The previous prime is 102697073. The next prime is 102697081. The reversal of 102697078 is 870796201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102697078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102697073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2334003 + ... + 2334046.

It is an arithmetic number, because the mean of its divisors is an integer number (21006225).

Almost surely, 2^102697078 is an apocalyptic number.

102697078 is a deficient number, since it is larger than the sum of its proper divisors (65352722).

102697078 is a wasteful number, since it uses less digits than its factorization.

102697078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668062.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 102697078 is about 10133.9566803890. The cubic root of 102697078 is about 468.2948290793.

The spelling of 102697078 in words is "one hundred two million, six hundred ninety-seven thousand, seventy-eight".