1012110123 has 8 divisors (see below), whose sum is σ = 1352062528. Its totient is φ = 673448904.

The previous prime is 1012110119. The next prime is 1012110137. The reversal of 1012110123 is 3210112101.

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

It is not a de Polignac number, because 1012110123 - 2² = 1012110119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012110099 and 1012110108.

It is not an unprimeable number, because it can be changed into a prime (1012110023) 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, 320965 + ... + 324102.

It is an arithmetic number, because the mean of its divisors is an integer number (169007816).

Almost surely, 2^1012110123 is an apocalyptic number.

1012110123 is a deficient number, since it is larger than the sum of its proper divisors (339952405).

1012110123 is an equidigital number, since it uses as much as digits as its factorization.

1012110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645593.

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

The square root of 1012110123 is about 31813.6782375129. The cubic root of 1012110123 is about 1004.0205214109.

Adding to 1012110123 its reverse (3210112101), we get a palindrome (4222222224).

The spelling of 1012110123 in words is "one billion, twelve million, one hundred ten thousand, one hundred twenty-three".