100401688 has 16 divisors (see below), whose sum is σ = 189231480. Its totient is φ = 49939968.

The previous prime is 100401673. The next prime is 100401703. The reversal of 100401688 is 886104001.

It is an interprime number because it is at equal distance from previous prime (100401673) and next prime (100401703).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30970 + ... + 34057.

Almost surely, 2^100401688 is an apocalyptic number.

It is an amenable number.

100401688 is a deficient number, since it is larger than the sum of its proper divisors (88829792).

100401688 is a wasteful number, since it uses less digits than its factorization.

100401688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65226 (or 65222 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 100401688 is about 10020.0642712510. The cubic root of 100401688 is about 464.7795432413.

Adding to 100401688 its reverse (886104001), we get a palindrome (986505689).

The spelling of 100401688 in words is "one hundred million, four hundred one thousand, six hundred eighty-eight".