1194631506 has 48 divisors (see below), whose sum is σ = 2677932504. Its totient is φ = 384590592.

The previous prime is 1194631499. The next prime is 1194631511. The reversal of 1194631506 is 6051364911.

1194631506 is a `hidden beast` number, since 1 + 1 + 94 + 63 + 1 + 506 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1179304281 + 15327225 = 34341^2 + 3915^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84696 + ... + 97788.

Almost surely, 2^1194631506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1194631506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338966252).

1194631506 is an abundant number, since it is smaller than the sum of its proper divisors (1483300998).

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

1194631506 is a wasteful number, since it uses less digits than its factorization.

1194631506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13275 (or 13272 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1194631506 is about 34563.4417557048. The cubic root of 1194631506 is about 1061.0715123083.

The spelling of 1194631506 in words is "one billion, one hundred ninety-four million, six hundred thirty-one thousand, five hundred six".