1172214240 has 48 divisors (see below), whose sum is σ = 3692476368. Its totient is φ = 312590336.

The previous prime is 1172214227. The next prime is 1172214287. The reversal of 1172214240 is 424122711.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1172214240.

It is a congruent number.

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, 1220577 + ... + 1221536.

It is an arithmetic number, because the mean of its divisors is an integer number (76926591).

Almost surely, 2^1172214240 is an apocalyptic number.

1172214240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1172214240 is an abundant number, since it is smaller than the sum of its proper divisors (2520262128).

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

1172214240 is a wasteful number, since it uses less digits than its factorization.

1172214240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442131 (or 2442123 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1172214240 is about 34237.6144028757. The cubic root of 1172214240 is about 1054.3925555355.

Adding to 1172214240 its reverse (424122711), we get a palindrome (1596336951).

The spelling of 1172214240 in words is "one billion, one hundred seventy-two million, two hundred fourteen thousand, two hundred forty".