1012030123 has 8 divisors (see below), whose sum is σ = 1125036416. Its totient is φ = 904046400.

The previous prime is 1012030091. The next prime is 1012030133. The reversal of 1012030123 is 3210302101.

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 1012030123 - 2⁵ = 1012030091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012030133) 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, 1255218 + ... + 1256023.

It is an arithmetic number, because the mean of its divisors is an integer number (140629552).

Almost surely, 2^1012030123 is an apocalyptic number.

1012030123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1012030123 is a deficient number, since it is larger than the sum of its proper divisors (113006293).

1012030123 is a wasteful number, since it uses less digits than its factorization.

1012030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511285.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1012030123 is about 31812.4208918466. The cubic root of 1012030123 is about 1003.9940671887.

Adding to 1012030123 its reverse (3210302101), we get a palindrome (4222332224).

The spelling of 1012030123 in words is "one billion, twelve million, thirty thousand, one hundred twenty-three".