1010043252 has 36 divisors (see below), whose sum is σ = 2664174240. Its totient is φ = 322042512.

The previous prime is 1010043247. The next prime is 1010043259. The reversal of 1010043252 is 2523400101.

It is a tau number, because it is divible by the number of its divisors (36).

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 (1010043259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 609102 + ... + 610757.

It is an arithmetic number, because the mean of its divisors is an integer number (74004840).

Almost surely, 2^1010043252 is an apocalyptic number.

1010043252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1010043252 is an abundant number, since it is smaller than the sum of its proper divisors (1654130988).

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

1010043252 is a wasteful number, since it uses less digits than its factorization.

1010043252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219892 (or 1219887 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1010043252 is about 31781.1776370858. The cubic root of 1010043252 is about 1003.3366053493.

Adding to 1010043252 its reverse (2523400101), we get a palindrome (3533443353).

The spelling of 1010043252 in words is "one billion, ten million, forty-three thousand, two hundred fifty-two".