1030135123 has 4 divisors (see below), whose sum is σ = 1033490920. Its totient is φ = 1026779328.

The previous prime is 1030135097. The next prime is 1030135151. The reversal of 1030135123 is 3215310301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1030135123 - 2⁵ = 1030135091 is a prime.

It is a super-2 number, since 2×1030135123² = 2122356743276450258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1030135123.

It is not an unprimeable number, because it can be changed into a prime (1030135153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677438 + ... + 1678051.

It is an arithmetic number, because the mean of its divisors is an integer number (258372730).

Almost surely, 2^1030135123 is an apocalyptic number.

1030135123 is a deficient number, since it is larger than the sum of its proper divisors (3355797).

1030135123 is an equidigital number, since it uses as much as digits as its factorization.

1030135123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355796.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1030135123 is about 32095.7181412101. The cubic root of 1030135123 is about 1009.9457942349.

Adding to 1030135123 its reverse (3215310301), we get a palindrome (4245445424).

The spelling of 1030135123 in words is "one billion, thirty million, one hundred thirty-five thousand, one hundred twenty-three".