100620078 has 32 divisors (see below), whose sum is σ = 226146816. Its totient is φ = 29613408.

The previous prime is 100620073. The next prime is 100620119. The reversal of 100620078 is 870026001.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100620071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26250 + ... + 29837.

It is an arithmetic number, because the mean of its divisors is an integer number (7067088).

Almost surely, 2^100620078 is an apocalyptic number.

100620078 is an abundant number, since it is smaller than the sum of its proper divisors (125526738).

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

100620078 is a wasteful number, since it uses less digits than its factorization.

100620078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56128.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 100620078 is about 10030.9559863455. The cubic root of 100620078 is about 465.1162895648.

Adding to 100620078 its reverse (870026001), we get a palindrome (970646079).

The spelling of 100620078 in words is "one hundred million, six hundred twenty thousand, seventy-eight".