1197876280 has 64 divisors (see below), whose sum is σ = 2866500000. Its totient is φ = 449224704.

The previous prime is 1197876269. The next prime is 1197876283. The reversal of 1197876280 is 826787911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197876283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65596 + ... + 81844.

Almost surely, 2^1197876280 is an apocalyptic number.

1197876280 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 1197876280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1433250000).

1197876280 is an abundant number, since it is smaller than the sum of its proper divisors (1668623720).

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

1197876280 is a wasteful number, since it uses less digits than its factorization.

1197876280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16376 (or 16372 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 49.

The square root of 1197876280 is about 34610.3493192426. The cubic root of 1197876280 is about 1062.0313131001.

The spelling of 1197876280 in words is "one billion, one hundred ninety-seven million, eight hundred seventy-six thousand, two hundred eighty".