1172974446 has 120 divisors (see below), whose sum is σ = 3088255896. Its totient is φ = 331763040.

The previous prime is 1172974423. The next prime is 1172974459. The reversal of 1172974446 is 6444792711.

1172974446 is a `hidden beast` number, since 117 + 2 + 97 + 4 + 446 = 666.

It is a congruent number.

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 848676 + ... + 850056.

Almost surely, 2^1172974446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1172974446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1544127948).

1172974446 is an abundant number, since it is smaller than the sum of its proper divisors (1915281450).

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

1172974446 is a wasteful number, since it uses less digits than its factorization.

1172974446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516 (or 1500 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 1172974446 is about 34248.7145160223. The cubic root of 1172974446 is about 1054.6204383197.

The spelling of 1172974446 in words is "one billion, one hundred seventy-two million, nine hundred seventy-four thousand, four hundred forty-six".