1196985250 has 16 divisors (see below), whose sum is σ = 2240756856. Its totient is φ = 478794000.

The previous prime is 1196985241. The next prime is 1196985259. The reversal of 1196985250 is 525896911.

It is an interprime number because it is at equal distance from previous prime (1196985241) and next prime (1196985259).

It can be written as a sum of positive squares in 4 ways, for example, as 602064369 + 594920881 = 24537^2 + 24391^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1196985250.

It is not an unprimeable number, because it can be changed into a prime (1196985259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2393721 + ... + 2394220.

Almost surely, 2^1196985250 is an apocalyptic number.

1196985250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1196985250 is a deficient number, since it is larger than the sum of its proper divisors (1043771606).

1196985250 is an equidigital number, since it uses as much as digits as its factorization.

1196985250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4787958 (or 4787948 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 46.

The square root of 1196985250 is about 34597.4746188215. The cubic root of 1196985250 is about 1061.7679201530.

The spelling of 1196985250 in words is "one billion, one hundred ninety-six million, nine hundred eighty-five thousand, two hundred fifty".