101043630 has 48 divisors (see below), whose sum is σ = 264423744. Its totient is φ = 26769600.

The previous prime is 101043611. The next prime is 101043637. The reversal of 101043630 is 36340101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101043637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10555 + ... + 17705.

It is an arithmetic number, because the mean of its divisors is an integer number (5508828).

Almost surely, 2^101043630 is an apocalyptic number.

101043630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101043630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132211872).

101043630 is an abundant number, since it is smaller than the sum of its proper divisors (163380114).

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

101043630 is a wasteful number, since it uses less digits than its factorization.

101043630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7321 (or 7318 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 101043630 is about 10052.0460603799. The cubic root of 101043630 is about 465.7679989898.

Adding to 101043630 its reverse (36340101), we get a palindrome (137383731).

The spelling of 101043630 in words is "one hundred one million, forty-three thousand, six hundred thirty".