1147109202 has 42 divisors (see below), whose sum is σ = 2582727303. Its totient is φ = 381938652.

The previous prime is 1147109191. The next prime is 1147109233. The reversal of 1147109202 is 2029017411.

It can be written as a sum of positive squares in only one way, i.e., 573554601 + 573554601 = 23949^2 + 23949^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=23949.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 1292803 + ... + 1293689.

Almost surely, 2^1147109202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147109202

1147109202 is an abundant number, since it is smaller than the sum of its proper divisors (1435618101).

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

1147109202 is an frugal number, since it uses more digits than its factorization.

1147109202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 1147109202 is about 33869.0006052733. Note that the first 3 decimals coincide. The cubic root of 1147109202 is about 1046.8109444279.

The spelling of 1147109202 in words is "one billion, one hundred forty-seven million, one hundred nine thousand, two hundred two".