1465331120 has 40 divisors (see below), whose sum is σ = 3716614800. Its totient is φ = 532847360.

The previous prime is 1465331107. The next prime is 1465331137. The reversal of 1465331120 is 211335641.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1465331120.

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 7 ways as a sum of consecutive naturals, for example, 831695 + ... + 833454.

It is an arithmetic number, because the mean of its divisors is an integer number (92915370).

Almost surely, 2^1465331120 is an apocalyptic number.

1465331120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1465331120 is an abundant number, since it is smaller than the sum of its proper divisors (2251283680).

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

1465331120 is a wasteful number, since it uses less digits than its factorization.

1465331120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665173 (or 1665167 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1465331120 is about 38279.6436765025. The cubic root of 1465331120 is about 1135.8263099852.

Adding to 1465331120 its reverse (211335641), we get a palindrome (1676666761).

The spelling of 1465331120 in words is "one billion, four hundred sixty-five million, three hundred thirty-one thousand, one hundred twenty".