1147471738 has 16 divisors (see below), whose sum is σ = 1967607360. Its totient is φ = 491645376.

The previous prime is 1147471733. The next prime is 1147471777. The reversal of 1147471738 is 8371747411.

It is a junction number, because it is equal to n+sod(n) for n = 1147471694 and 1147471703.

It is not an unprimeable number, because it can be changed into a prime (1147471733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61945 + ... + 78307.

It is an arithmetic number, because the mean of its divisors is an integer number (122975460).

Almost surely, 2^1147471738 is an apocalyptic number.

1147471738 is a deficient number, since it is larger than the sum of its proper divisors (820135622).

1147471738 is a wasteful number, since it uses less digits than its factorization.

1147471738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21381.

The product of its digits is 131712, while the sum is 43.

The square root of 1147471738 is about 33874.3522152085. The cubic root of 1147471738 is about 1046.9212119534.

The spelling of 1147471738 in words is "one billion, one hundred forty-seven million, four hundred seventy-one thousand, seven hundred thirty-eight".