1162472720 has 40 divisors (see below), whose sum is σ = 2789940480. Its totient is φ = 449988480.

The previous prime is 1162472671. The next prime is 1162472741. The reversal of 1162472720 is 272742611.

1162472720 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

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, 231890 + ... + 236849.

It is an arithmetic number, because the mean of its divisors is an integer number (69748512).

Almost surely, 2^1162472720 is an apocalyptic number.

1162472720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1162472720 is an abundant number, since it is smaller than the sum of its proper divisors (1627467760).

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

1162472720 is a wasteful number, since it uses less digits than its factorization.

1162472720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468783 (or 468777 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 1162472720 is about 34095.0541867879. The cubic root of 1162472720 is about 1051.4636338198.

The spelling of 1162472720 in words is "one billion, one hundred sixty-two million, four hundred seventy-two thousand, seven hundred twenty".