101627720 has 16 divisors (see below), whose sum is σ = 228662460. Its totient is φ = 40651072.

The previous prime is 101627689. The next prime is 101627737. The reversal of 101627720 is 27726101.

It can be written as a sum of positive squares in 2 ways, for example, as 99880036 + 1747684 = 9994^2 + 1322^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101627720.

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 in 3 ways as a sum of consecutive naturals, for example, 1270307 + ... + 1270386.

Almost surely, 2^101627720 is an apocalyptic number.

101627720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101627720 is an abundant number, since it is smaller than the sum of its proper divisors (127034740).

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

101627720 is a wasteful number, since it uses less digits than its factorization.

101627720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540704 (or 2540700 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 101627720 is about 10081.0574842127. The cubic root of 101627720 is about 466.6637437459.

The spelling of 101627720 in words is "one hundred one million, six hundred twenty-seven thousand, seven hundred twenty".