1197622272 has 352 divisors, whose sum is σ = 4093737984. Its totient is φ = 302284800.

The previous prime is 1197622247. The next prime is 1197622277. The reversal of 1197622272 is 2722267911.

It is a tau number, because it is divible by the number of its divisors (352).

It is a self number, because there is not a number n which added to its sum of digits gives 1197622272.

It is not an unprimeable number, because it can be changed into a prime (1197622277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14429143 + ... + 14429225.

Almost surely, 2^1197622272 is an apocalyptic number.

1197622272 is a gapful number since it is divisible by the number (12) 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 1197622272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2046868992).

1197622272 is an abundant number, since it is smaller than the sum of its proper divisors (2896115712).

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

1197622272 is a wasteful number, since it uses less digits than its factorization.

1197622272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 167 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 1197622272 is about 34606.6795864613. The cubic root of 1197622272 is about 1061.9562403722.

The spelling of 1197622272 in words is "one billion, one hundred ninety-seven million, six hundred twenty-two thousand, two hundred seventy-two".