1172226040 has 32 divisors (see below), whose sum is σ = 2643198480. Its totient is φ = 467878912.

The previous prime is 1172225987. The next prime is 1172226049. The reversal of 1172226040 is 406222711.

It is a super-2 number, since 2×1172226040² = 2748227777708163200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1172225996 and 1172226014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172226049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12697 + ... + 50056.

Almost surely, 2^1172226040 is an apocalyptic number.

1172226040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1172226040 is an abundant number, since it is smaller than the sum of its proper divisors (1470972440).

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

1172226040 is a wasteful number, since it uses less digits than its factorization.

1172226040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63231 (or 63227 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1172226040 is about 34237.7867275325. The cubic root of 1172226040 is about 1054.3960935095.

Adding to 1172226040 its reverse (406222711), we get a palindrome (1578448751).

The spelling of 1172226040 in words is "one billion, one hundred seventy-two million, two hundred twenty-six thousand, forty".