1172343040 has 144 divisors (see below), whose sum is σ = 3123199296. Its totient is φ = 417996800.

The previous prime is 1172343037. The next prime is 1172343059. The reversal of 1172343040 is 403432711.

It is a super-3 number, since 3×1172343040³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1172342996 and 1172343014.

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, 745455 + ... + 747025.

It is an arithmetic number, because the mean of its divisors is an integer number (21688884).

Almost surely, 2^1172343040 is an apocalyptic number.

1172343040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1172343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1561599648).

1172343040 is an abundant number, since it is smaller than the sum of its proper divisors (1950856256).

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

1172343040 is a wasteful number, since it uses less digits than its factorization.

1172343040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1172343040 is about 34239.4953233835. The cubic root of 1172343040 is about 1054.4311721361.

Adding to 1172343040 its reverse (403432711), we get a palindrome (1575775751).

The spelling of 1172343040 in words is "one billion, one hundred seventy-two million, three hundred forty-three thousand, forty".