1197730380 has 192 divisors, whose sum is σ = 4215214080. Its totient is φ = 246854400.

The previous prime is 1197730361. The next prime is 1197730397. The reversal of 1197730380 is 830377911.

It is a happy number.

1197730380 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 604231 + ... + 606209.

It is an arithmetic number, because the mean of its divisors is an integer number (21954240).

Almost surely, 2^1197730380 is an apocalyptic number.

1197730380 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 1197730380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2107607040).

1197730380 is an abundant number, since it is smaller than the sum of its proper divisors (3017483700).

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

1197730380 is a wasteful number, since it uses less digits than its factorization.

1197730380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140 (or 2138 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 1197730380 is about 34608.2415040117. The cubic root of 1197730380 is about 1061.9881932714.

The spelling of 1197730380 in words is "one billion, one hundred ninety-seven million, seven hundred thirty thousand, three hundred eighty".