1120002123 has 16 divisors (see below), whose sum is σ = 1533033216. Its totient is φ = 726932640.

The previous prime is 1120002119. The next prime is 1120002161. The reversal of 1120002123 is 3212000211.

It is not a de Polignac number, because 1120002123 - 2² = 1120002119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120002099 and 1120002108.

It is not an unprimeable number, because it can be changed into a prime (1120012123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26161 + ... + 54077.

It is an arithmetic number, because the mean of its divisors is an integer number (95814576).

Almost surely, 2^1120002123 is an apocalyptic number.

1120002123 is a deficient number, since it is larger than the sum of its proper divisors (413031093).

1120002123 is a wasteful number, since it uses less digits than its factorization.

1120002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28274.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1120002123 is about 33466.4327797272. The cubic root of 1120002123 is about 1038.4994765403.

Adding to 1120002123 its reverse (3212000211), we get a palindrome (4332002334).

The spelling of 1120002123 in words is "one billion, one hundred twenty million, two thousand, one hundred twenty-three".