1301032240 has 40 divisors (see below), whose sum is σ = 3045229200. Its totient is φ = 516915456.

The previous prime is 1301032231. The next prime is 1301032289. The reversal of 1301032240 is 422301031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42654 + ... + 66493.

It is an arithmetic number, because the mean of its divisors is an integer number (76130730).

Almost surely, 2^1301032240 is an apocalyptic number.

1301032240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301032240 is an abundant number, since it is smaller than the sum of its proper divisors (1744196960).

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

1301032240 is a wasteful number, since it uses less digits than its factorization.

1301032240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109309 (or 109303 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1301032240 is about 36069.8245074744. The cubic root of 1301032240 is about 1091.6816731487.

Adding to 1301032240 its reverse (422301031), we get a palindrome (1723333271).

The spelling of 1301032240 in words is "one billion, three hundred one million, thirty-two thousand, two hundred forty".