101427688 has 8 divisors (see below), whose sum is σ = 190176930. Its totient is φ = 50713840.

The previous prime is 101427679. The next prime is 101427721. The reversal of 101427688 is 886724101.

It can be written as a sum of positive squares in only one way, i.e., 100040004 + 1387684 = 10002^2 + 1178^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6339223 + ... + 6339238.

Almost surely, 2^101427688 is an apocalyptic number.

It is an amenable number.

101427688 is a deficient number, since it is larger than the sum of its proper divisors (88749242).

101427688 is a wasteful number, since it uses less digits than its factorization.

101427688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12678467 (or 12678463 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 101427688 is about 10071.1314160823. The cubic root of 101427688 is about 466.3573673822.

The spelling of 101427688 in words is "one hundred one million, four hundred twenty-seven thousand, six hundred eighty-eight".