101289412 has 12 divisors (see below), whose sum is σ = 202578880. Its totient is φ = 43409736.

The previous prime is 101289407. The next prime is 101289421. The reversal of 101289412 is 214982101.

101289412 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 3617479 = 101289412 / (1 + 0 + 1 + 2 + 8 + 9 + 4 + 1 + 2).

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, 1808712 + ... + 1808767.

Almost surely, 2^101289412 is an apocalyptic number.

It is an amenable number.

101289412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

101289412 is a wasteful number, since it uses less digits than its factorization.

101289412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617490 (or 3617488 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 101289412 is about 10064.2641062325. The cubic root of 101289412 is about 466.1453432320.

The spelling of 101289412 in words is "one hundred one million, two hundred eighty-nine thousand, four hundred twelve".