101021232 has 80 divisors (see below), whose sum is σ = 284113760. Its totient is φ = 30744576.

The previous prime is 101021227. The next prime is 101021251. The reversal of 101021232 is 232120101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 59694 + ... + 61362.

It is an arithmetic number, because the mean of its divisors is an integer number (3551422).

Almost surely, 2^101021232 is an apocalyptic number.

101021232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101021232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142056880).

101021232 is an abundant number, since it is smaller than the sum of its proper divisors (183092528).

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

101021232 is a wasteful number, since it uses less digits than its factorization.

101021232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790 (or 1784 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 101021232 is about 10050.9318970929. The cubic root of 101021232 is about 465.7335813738.

Adding to 101021232 its reverse (232120101), we get a palindrome (333141333).

The spelling of 101021232 in words is "one hundred one million, twenty-one thousand, two hundred thirty-two".