1147012479 has 12 divisors (see below), whose sum is σ = 1662196536. Its totient is φ = 762182352.

The previous prime is 1147012439. The next prime is 1147012481. The reversal of 1147012479 is 9742107411.

1147012479 is a `hidden beast` number, since 114 + 70 + 1 + 2 + 479 = 666.

It is not a de Polignac number, because 1147012479 - 2⁹ = 1147011967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147012439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204804 + ... + 210329.

It is an arithmetic number, because the mean of its divisors is an integer number (138516378).

Almost surely, 2^1147012479 is an apocalyptic number.

1147012479 is a deficient number, since it is larger than the sum of its proper divisors (515184057).

1147012479 is a wasteful number, since it uses less digits than its factorization.

1147012479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415446 (or 415443 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1147012479 is about 33867.5726765294. The cubic root of 1147012479 is about 1046.7815216142.

The spelling of 1147012479 in words is "one billion, one hundred forty-seven million, twelve thousand, four hundred seventy-nine".