1147865214 has 16 divisors (see below), whose sum is σ = 2319398928. Its totient is φ = 378676992.

The previous prime is 1147865167. The next prime is 1147865227. The reversal of 1147865214 is 4125687411.

It is a super-2 number, since 2×1147865214² = 2635189099022531592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985557 + ... + 986720.

It is an arithmetic number, because the mean of its divisors is an integer number (144962433).

Almost surely, 2^1147865214 is an apocalyptic number.

1147865214 is an abundant number, since it is smaller than the sum of its proper divisors (1171533714).

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

1147865214 is a wasteful number, since it uses less digits than its factorization.

1147865214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972379.

The product of its digits is 53760, while the sum is 39.

The square root of 1147865214 is about 33880.1595923042. The cubic root of 1147865214 is about 1047.0408637875.

The spelling of 1147865214 in words is "one billion, one hundred forty-seven million, eight hundred sixty-five thousand, two hundred fourteen".