1171553124 has 24 divisors (see below), whose sum is σ = 3124141888. Its totient is φ = 334729440.

The previous prime is 1171553111. The next prime is 1171553143. The reversal of 1171553124 is 4213551711.

It is a junction number, because it is equal to n+sod(n) for n = 1171553091 and 1171553100.

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, 6973447 + ... + 6973614.

Almost surely, 2^1171553124 is an apocalyptic number.

1171553124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1171553124 is an abundant number, since it is smaller than the sum of its proper divisors (1952588764).

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

1171553124 is a wasteful number, since it uses less digits than its factorization.

1171553124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13947075 (or 13947073 counting only the distinct ones).

The product of its digits is 4200, while the sum is 30.

The square root of 1171553124 is about 34227.9582213138. The cubic root of 1171553124 is about 1054.1942963056.

The spelling of 1171553124 in words is "one billion, one hundred seventy-one million, five hundred fifty-three thousand, one hundred twenty-four".