1121102123 has 8 divisors (see below), whose sum is σ = 1125726000. Its totient is φ = 1116487008.

The previous prime is 1121102119. The next prime is 1121102173. The reversal of 1121102123 is 3212011211.

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 1121102123 - 2² = 1121102119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121102098 and 1121102107.

It is not an unprimeable number, because it can be changed into a prime (1121102113) 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, 379988 + ... + 382926.

It is an arithmetic number, because the mean of its divisors is an integer number (140715750).

Almost surely, 2^1121102123 is an apocalyptic number.

1121102123 is a deficient number, since it is larger than the sum of its proper divisors (4623877).

1121102123 is a wasteful number, since it uses less digits than its factorization.

1121102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1121102123 is about 33482.8631242909. The cubic root of 1121102123 is about 1038.8393496001.

Adding to 1121102123 its reverse (3212011211), we get a palindrome (4333113334).

The spelling of 1121102123 in words is "one billion, one hundred twenty-one million, one hundred two thousand, one hundred twenty-three".