1004201240 has 128 divisors (see below), whose sum is σ = 2659392000. Its totient is φ = 334169088.

The previous prime is 1004201239. The next prime is 1004201251. The reversal of 1004201240 is 421024001.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1469939 + ... + 1470621.

It is an arithmetic number, because the mean of its divisors is an integer number (20776500).

Almost surely, 2^1004201240 is an apocalyptic number.

1004201240 is a gapful number since it is divisible by the number (10) 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 1004201240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1329696000).

1004201240 is an abundant number, since it is smaller than the sum of its proper divisors (1655190760).

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

1004201240 is a wasteful number, since it uses less digits than its factorization.

1004201240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1004201240 is about 31689.1344154428. The cubic root of 1004201240 is about 1001.3984567404.

Adding to 1004201240 its reverse (421024001), we get a palindrome (1425225241).

The spelling of 1004201240 in words is "one billion, four million, two hundred one thousand, two hundred forty".