101289432 has 16 divisors (see below), whose sum is σ = 253223640. Its totient is φ = 33763136.

The previous prime is 101289427. The next prime is 101289457. The reversal of 101289432 is 234982101.

It is a self number, because there is not a number n which added to its sum of digits gives 101289432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2110173 + ... + 2110220.

Almost surely, 2^101289432 is an apocalyptic number.

101289432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101289432 is an abundant number, since it is smaller than the sum of its proper divisors (151934208).

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

101289432 is a wasteful number, since it uses less digits than its factorization.

101289432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220402 (or 4220398 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 101289432 is about 10064.2650998471. The cubic root of 101289432 is about 466.1453739127.

The spelling of 101289432 in words is "one hundred one million, two hundred eighty-nine thousand, four hundred thirty-two".