1135680123 has 8 divisors (see below), whose sum is σ = 1519079248. Its totient is φ = 754700544.

The previous prime is 1135680113. The next prime is 1135680137. The reversal of 1135680123 is 3210865311.

1135680123 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1135680123 - 2⁶ = 1135680059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1135680113) 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, 603790 + ... + 605667.

It is an arithmetic number, because the mean of its divisors is an integer number (189884906).

Almost surely, 2^1135680123 is an apocalyptic number.

1135680123 is a deficient number, since it is larger than the sum of its proper divisors (383399125).

1135680123 is a wasteful number, since it uses less digits than its factorization.

1135680123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209773.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1135680123 is about 33699.8534566547. The cubic root of 1135680123 is about 1043.3227439465.

The spelling of 1135680123 in words is "one billion, one hundred thirty-five million, six hundred eighty thousand, one hundred twenty-three".