102620078 has 16 divisors (see below), whose sum is σ = 168165504. Its totient is φ = 46578360.

The previous prime is 102620069. The next prime is 102620093. The reversal of 102620078 is 870026201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14351 + ... + 20277.

It is an arithmetic number, because the mean of its divisors is an integer number (10510344).

Almost surely, 2^102620078 is an apocalyptic number.

102620078 is a deficient number, since it is larger than the sum of its proper divisors (65545426).

102620078 is a wasteful number, since it uses less digits than its factorization.

102620078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 102620078 is about 10130.1568595950. The cubic root of 102620078 is about 468.1777607774.

Adding to 102620078 its reverse (870026201), we get a palindrome (972646279).

The spelling of 102620078 in words is "one hundred two million, six hundred twenty thousand, seventy-eight".