101289472 has 20 divisors (see below), whose sum is σ = 202382136. Its totient is φ = 50644480.

The previous prime is 101289469. The next prime is 101289481. The reversal of 101289472 is 274982101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98404 + ... + 99427.

Almost surely, 2^101289472 is an apocalyptic number.

It is an amenable number.

101289472 is a deficient number, since it is larger than the sum of its proper divisors (101092664).

101289472 is an frugal number, since it uses more digits than its factorization.

101289472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197849 (or 197833 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 101289472 is about 10064.2670870759. The cubic root of 101289472 is about 466.1454352742.

It can be divided in two parts, 101289 and 472, that added together give a square (101761 = 319²).

The spelling of 101289472 in words is "one hundred one million, two hundred eighty-nine thousand, four hundred seventy-two".