1147471456 has 12 divisors (see below), whose sum is σ = 2259084492. Its totient is φ = 573735712.

The previous prime is 1147471453. The next prime is 1147471483. The reversal of 1147471456 is 6541747411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147471453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17929210 + ... + 17929273.

It is an arithmetic number, because the mean of its divisors is an integer number (188257041).

Almost surely, 2^1147471456 is an apocalyptic number.

1147471456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1147471456 is a deficient number, since it is larger than the sum of its proper divisors (1111613036).

1147471456 is an equidigital number, since it uses as much as digits as its factorization.

1147471456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35858493 (or 35858485 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 1147471456 is about 33874.3480527670. The cubic root of 1147471456 is about 1046.9211261904.

The spelling of 1147471456 in words is "one billion, one hundred forty-seven million, four hundred seventy-one thousand, four hundred fifty-six".