1330001240 has 16 divisors (see below), whose sum is σ = 2992502880. Its totient is φ = 532000480.

The previous prime is 1330001227. The next prime is 1330001249. The reversal of 1330001240 is 421000331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330001249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16624976 + ... + 16625055.

It is an arithmetic number, because the mean of its divisors is an integer number (187031430).

Almost surely, 2^1330001240 is an apocalyptic number.

1330001240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330001240 is an abundant number, since it is smaller than the sum of its proper divisors (1662501640).

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

1330001240 is a wasteful number, since it uses less digits than its factorization.

1330001240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33250042 (or 33250038 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1330001240 is about 36469.1820582804. The cubic root of 1330001240 is about 1099.7247906552.

Adding to 1330001240 its reverse (421000331), we get a palindrome (1751001571).

Subtracting from 1330001240 its reverse (421000331), we obtain a palindrome (909000909).

The spelling of 1330001240 in words is "one billion, three hundred thirty million, one thousand, two hundred forty".