1199134481 has 8 divisors (see below), whose sum is σ = 1209945600. Its totient is φ = 1188370960.

The previous prime is 1199134477. The next prime is 1199134483. The reversal of 1199134481 is 1844319911.

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 1199134481 - 2² = 1199134477 is a prime.

It is a super-2 number, since 2×1199134481² = 2875847007046278722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1199134483) 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, 39710 + ... + 63048.

It is an arithmetic number, because the mean of its divisors is an integer number (151243200).

Almost surely, 2^1199134481 is an apocalyptic number.

It is an amenable number.

1199134481 is a deficient number, since it is larger than the sum of its proper divisors (10811119).

1199134481 is a wasteful number, since it uses less digits than its factorization.

1199134481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23799.

The product of its digits is 31104, while the sum is 41.

The square root of 1199134481 is about 34628.5212072361. The cubic root of 1199134481 is about 1062.4030212940.

The spelling of 1199134481 in words is "one billion, one hundred ninety-nine million, one hundred thirty-four thousand, four hundred eighty-one".