1194918072 has 128 divisors (see below), whose sum is σ = 3140881920. Its totient is φ = 378560000.

The previous prime is 1194918041. The next prime is 1194918073. The reversal of 1194918072 is 2708194911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194918073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9121447 + ... + 9121577.

It is an arithmetic number, because the mean of its divisors is an integer number (24538140).

Almost surely, 2^1194918072 is an apocalyptic number.

1194918072 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 1194918072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1570440960).

1194918072 is an abundant number, since it is smaller than the sum of its proper divisors (1945963848).

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

1194918072 is a wasteful number, since it uses less digits than its factorization.

1194918072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 1194918072 is about 34567.5870144273. The cubic root of 1194918072 is about 1061.1563481504.

The spelling of 1194918072 in words is "one billion, one hundred ninety-four million, nine hundred eighteen thousand, seventy-two".