1123242101 has 8 divisors (see below), whose sum is σ = 1127546880. Its totient is φ = 1118945232.

The previous prime is 1123242097. The next prime is 1123242103. The reversal of 1123242101 is 1012423211.

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 1123242101 - 2² = 1123242097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123242101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123242103) 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, 488711 + ... + 491003.

It is an arithmetic number, because the mean of its divisors is an integer number (140943360).

Almost surely, 2^1123242101 is an apocalyptic number.

It is an amenable number.

1123242101 is a deficient number, since it is larger than the sum of its proper divisors (4304779).

1123242101 is a wasteful number, since it uses less digits than its factorization.

1123242101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3955.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1123242101 is about 33514.8042064996. The cubic root of 1123242101 is about 1039.4999139721.

Adding to 1123242101 its reverse (1012423211), we get a palindrome (2135665312).

The spelling of 1123242101 in words is "one billion, one hundred twenty-three million, two hundred forty-two thousand, one hundred one".