1197849036 has 48 divisors (see below), whose sum is σ = 2972543616. Its totient is φ = 374125824.

The previous prime is 1197849013. The next prime is 1197849049. The reversal of 1197849036 is 6309487911.

It is a happy number.

It is a super-2 number, since 2×1197849036² = 2869684626092258592, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33375 + ... + 59241.

It is an arithmetic number, because the mean of its divisors is an integer number (61927992).

Almost surely, 2^1197849036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1197849036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486271808).

1197849036 is an abundant number, since it is smaller than the sum of its proper divisors (1774694580).

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

1197849036 is a wasteful number, since it uses less digits than its factorization.

1197849036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26118 (or 26116 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1197849036 is about 34609.9557353083. The cubic root of 1197849036 is about 1062.0232615728.

The spelling of 1197849036 in words is "one billion, one hundred ninety-seven million, eight hundred forty-nine thousand, thirty-six".