1195009872 has 80 divisors (see below), whose sum is σ = 3533916672. Its totient is φ = 340871040.

The previous prime is 1195009813. The next prime is 1195009877. The reversal of 1195009872 is 2789005911.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1195009877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229603 + ... + 234749.

Almost surely, 2^1195009872 is an apocalyptic number.

1195009872 is a gapful number since it is divisible by the number (12) 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 1195009872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1766958336).

1195009872 is an abundant number, since it is smaller than the sum of its proper divisors (2338906800).

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

1195009872 is a wasteful number, since it uses less digits than its factorization.

1195009872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856 (or 5850 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 1195009872 is about 34568.9148224239. The cubic root of 1195009872 is about 1061.1835220241.

The spelling of 1195009872 in words is "one billion, one hundred ninety-five million, nine thousand, eight hundred seventy-two".