1196196840 has 96 divisors (see below), whose sum is σ = 4116345480. Its totient is φ = 300220416.

The previous prime is 1196196839. The next prime is 1196196877. The reversal of 1196196840 is 486916911.

It can be written as a sum of positive squares in 4 ways, for example, as 721567044 + 474629796 = 26862^2 + 21786^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91609 + ... + 103848.

Almost surely, 2^1196196840 is an apocalyptic number.

1196196840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1196196840 is an abundant number, since it is smaller than the sum of its proper divisors (2920148640).

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

1196196840 is a wasteful number, since it uses less digits than its factorization.

1196196840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195491 (or 195484 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 1196196840 is about 34586.0787022756. The cubic root of 1196196840 is about 1061.5347531740.

It can be divided in two parts, 11961 and 96840, that added together give a palindrome (108801).

The spelling of 1196196840 in words is "one billion, one hundred ninety-six million, one hundred ninety-six thousand, eight hundred forty".