1001240046 has 48 divisors (see below), whose sum is σ = 2246220288. Its totient is φ = 321987600.

The previous prime is 1001240033. The next prime is 1001240047. The reversal of 1001240046 is 6400421001.

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 (1001240047) 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, 191041 + ... + 196211.

It is an arithmetic number, because the mean of its divisors is an integer number (46796256).

Almost surely, 2^1001240046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001240046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123110144).

1001240046 is an abundant number, since it is smaller than the sum of its proper divisors (1244980242).

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

1001240046 is a wasteful number, since it uses less digits than its factorization.

1001240046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557 (or 5554 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1001240046 is about 31642.3773759179. The cubic root of 1001240046 is about 1000.4131779272.

Adding to 1001240046 its reverse (6400421001), we get a palindrome (7401661047).

The spelling of 1001240046 in words is "one billion, one million, two hundred forty thousand, forty-six".