1159421472 has 96 divisors (see below), whose sum is σ = 3689098560. Its totient is φ = 351336960.

The previous prime is 1159421453. The next prime is 1159421519. The reversal of 1159421472 is 2741249511.

1159421472 is a `hidden beast` number, since 1 + 1 + 594 + 21 + 47 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 51493 + ... + 70500.

It is an arithmetic number, because the mean of its divisors is an integer number (38428110).

Almost surely, 2^1159421472 is an apocalyptic number.

1159421472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1159421472 is an abundant number, since it is smaller than the sum of its proper divisors (2529677088).

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

1159421472 is a wasteful number, since it uses less digits than its factorization.

1159421472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122023 (or 122009 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1159421472 is about 34050.2785891687. The cubic root of 1159421472 is about 1050.5428702976.

The spelling of 1159421472 in words is "one billion, one hundred fifty-nine million, four hundred twenty-one thousand, four hundred seventy-two".