1125774171 has 12 divisors (see below), whose sum is σ = 1682191680. Its totient is φ = 724636080.

The previous prime is 1125774137. The next prime is 1125774203. The reversal of 1125774171 is 1714775211.

1125774171 is a `hidden beast` number, since 1 + 12 + 577 + 4 + 1 + 71 = 666.

It is not a de Polignac number, because 1125774171 - 2⁷ = 1125774043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125774121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2156395 + ... + 2156916.

It is an arithmetic number, because the mean of its divisors is an integer number (140182640).

Almost surely, 2^1125774171 is an apocalyptic number.

1125774171 is a deficient number, since it is larger than the sum of its proper divisors (556417509).

1125774171 is a wasteful number, since it uses less digits than its factorization.

1125774171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313346 (or 4313343 counting only the distinct ones).

The product of its digits is 13720, while the sum is 36.

The square root of 1125774171 is about 33552.5583376290. The cubic root of 1125774171 is about 1040.2804257968.

The spelling of 1125774171 in words is "one billion, one hundred twenty-five million, seven hundred seventy-four thousand, one hundred seventy-one".