1172824540 has 48 divisors (see below), whose sum is σ = 2488659264. Its totient is φ = 464256000.

The previous prime is 1172824517. The next prime is 1172824559. The reversal of 1172824540 is 454282711.

It is a junction number, because it is equal to n+sod(n) for n = 1172824496 and 1172824505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975940 + ... + 977140.

It is an arithmetic number, because the mean of its divisors is an integer number (51847068).

Almost surely, 2^1172824540 is an apocalyptic number.

1172824540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1172824540 is an abundant number, since it is smaller than the sum of its proper divisors (1315834724).

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

1172824540 is a wasteful number, since it uses less digits than its factorization.

1172824540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678 (or 1676 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 1172824540 is about 34246.5259551973. The cubic root of 1172824540 is about 1054.5755096152.

The spelling of 1172824540 in words is "one billion, one hundred seventy-two million, eight hundred twenty-four thousand, five hundred forty".