1196537280 has 224 divisors, whose sum is σ = 4052035584. Its totient is φ = 298450944.

The previous prime is 1196537269. The next prime is 1196537291. The reversal of 1196537280 is 827356911.

It is a Cunningham number, because it is equal to 34591²-1.

It is an interprime number because it is at equal distance from previous prime (1196537269) and next prime (1196537291).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1037184 + ... + 1038336.

Almost surely, 2^1196537280 is an apocalyptic number.

1196537280 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 1196537280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2026017792).

1196537280 is an abundant number, since it is smaller than the sum of its proper divisors (2855498304).

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

1196537280 is a wasteful number, since it uses less digits than its factorization.

1196537280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1196537280 is about 34590.9999855454. Note that the first 4 decimals coincide. The cubic root of 1196537280 is about 1061.6354485893.

The spelling of 1196537280 in words is "one billion, one hundred ninety-six million, five hundred thirty-seven thousand, two hundred eighty".