1194195140 has 48 divisors (see below), whose sum is σ = 2570937600. Its totient is φ = 465948000.

The previous prime is 1194195137. The next prime is 1194195169. The reversal of 1194195140 is 415914911.

It is a super-2 number, since 2×1194195140² = 2852204064799239200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1194195140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1589765 + ... + 1590515.

It is an arithmetic number, because the mean of its divisors is an integer number (53561200).

Almost surely, 2^1194195140 is an apocalyptic number.

1194195140 is a gapful number since it is divisible by the number (10) 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 1194195140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285468800).

1194195140 is an abundant number, since it is smaller than the sum of its proper divisors (1376742460).

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

1194195140 is an frugal number, since it uses more digits than its factorization.

1194195140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 1194195140 is about 34557.1286422932. The cubic root of 1194195140 is about 1060.9423031711.

The spelling of 1194195140 in words is "one billion, one hundred ninety-four million, one hundred ninety-five thousand, one hundred forty".