1158322012 has 6 divisors (see below), whose sum is σ = 2027063528. Its totient is φ = 579161004.

The previous prime is 1158322007. The next prime is 1158322027. The reversal of 1158322012 is 2102238511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144790248 + ... + 144790255.

Almost surely, 2^1158322012 is an apocalyptic number.

It is an amenable number.

1158322012 is a deficient number, since it is larger than the sum of its proper divisors (868741516).

1158322012 is a wasteful number, since it uses less digits than its factorization.

1158322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289580507 (or 289580505 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1158322012 is about 34034.1301049402. The cubic root of 1158322012 is about 1050.2106945292.

The spelling of 1158322012 in words is "one billion, one hundred fifty-eight million, three hundred twenty-two thousand, twelve".