1197337680 has 640 divisors, whose sum is σ = 5382512640. Its totient is φ = 237219840.

The previous prime is 1197337663. The next prime is 1197337697. The reversal of 1197337680 is 867337911.

It is an interprime number because it is at equal distance from previous prime (1197337663) and next prime (1197337697).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3825204 + ... + 3825516.

It is an arithmetic number, because the mean of its divisors is an integer number (8410176).

Almost surely, 2^1197337680 is an apocalyptic number.

1197337680 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 1197337680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2691256320).

1197337680 is an abundant number, since it is smaller than the sum of its proper divisors (4185174960).

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

1197337680 is a wasteful number, since it uses less digits than its factorization.

1197337680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 1197337680 is about 34602.5675347943. The cubic root of 1197337680 is about 1061.8721158532.

The spelling of 1197337680 in words is "one billion, one hundred ninety-seven million, three hundred thirty-seven thousand, six hundred eighty".