1171385044 has 12 divisors (see below), whose sum is σ = 2050694100. Its totient is φ = 585472448.

The previous prime is 1171385041. The next prime is 1171385063. The reversal of 1171385044 is 4405831711.

It can be written as a sum of positive squares in 2 ways, for example, as 719312400 + 452072644 = 26820^2 + 21262^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171385041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42739 + ... + 64570.

It is an arithmetic number, because the mean of its divisors is an integer number (170891175).

Almost surely, 2^1171385044 is an apocalyptic number.

It is an amenable number.

1171385044 is a deficient number, since it is larger than the sum of its proper divisors (879309056).

1171385044 is a wasteful number, since it uses less digits than its factorization.

1171385044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110042 (or 110040 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1171385044 is about 34225.5028304918. The cubic root of 1171385044 is about 1054.1438796271.

The spelling of 1171385044 in words is "one billion, one hundred seventy-one million, three hundred eighty-five thousand, forty-four".