1172724412 has 12 divisors (see below), whose sum is σ = 2052527176. Its totient is φ = 586288080.

The previous prime is 1172724331. The next prime is 1172724419. The reversal of 1172724412 is 2144272711.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172724419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32962 + ... + 58582.

Almost surely, 2^1172724412 is an apocalyptic number.

It is an amenable number.

1172724412 is a deficient number, since it is larger than the sum of its proper divisors (879802764).

1172724412 is a wasteful number, since it uses less digits than its factorization.

1172724412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37068 (or 37066 counting only the distinct ones).

The product of its digits is 6272, while the sum is 31.

The square root of 1172724412 is about 34245.0640530865. The cubic root of 1172724412 is about 1054.5454978678.

The spelling of 1172724412 in words is "one billion, one hundred seventy-two million, seven hundred twenty-four thousand, four hundred twelve".