1194492913 has 8 divisors (see below), whose sum is σ = 1265665608. Its totient is φ = 1123421184.

The previous prime is 1194492889. The next prime is 1194492917. The reversal of 1194492913 is 3192944911.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 332953009 + 861539904 = 18247^2 + 29352^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1194492913 - 2⁵ = 1194492881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1194492913.

It is not an unprimeable number, because it can be changed into a prime (1194492917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156 + ... + 48877.

It is an arithmetic number, because the mean of its divisors is an integer number (158208201).

Almost surely, 2^1194492913 is an apocalyptic number.

It is an amenable number.

1194492913 is a deficient number, since it is larger than the sum of its proper divisors (71172695).

1194492913 is a wasteful number, since it uses less digits than its factorization.

1194492913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50483.

The product of its digits is 69984, while the sum is 43.

The square root of 1194492913 is about 34561.4367901567. The cubic root of 1194492913 is about 1061.0304779613.

The spelling of 1194492913 in words is "one billion, one hundred ninety-four million, four hundred ninety-two thousand, nine hundred thirteen".