1194235540 has 24 divisors (see below), whose sum is σ = 2538113760. Its totient is φ = 471938208.

The previous prime is 1194235529. The next prime is 1194235561. The reversal of 1194235540 is 455324911.

It is a junction number, because it is equal to n+sod(n) for n = 1194235496 and 1194235505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358050 + ... + 361369.

It is an arithmetic number, because the mean of its divisors is an integer number (105754740).

Almost surely, 2^1194235540 is an apocalyptic number.

1194235540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1194235540 is an abundant number, since it is smaller than the sum of its proper divisors (1343878220).

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

1194235540 is a wasteful number, since it uses less digits than its factorization.

1194235540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719511 (or 719509 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1194235540 is about 34557.7131766557. The cubic root of 1194235540 is about 1060.9542670410.

The spelling of 1194235540 in words is "one billion, one hundred ninety-four million, two hundred thirty-five thousand, five hundred forty".