1030123020 has 24 divisors (see below), whose sum is σ = 2884344624. Its totient is φ = 274699456.

The previous prime is 1030123013. The next prime is 1030123027. The reversal of 1030123020 is 203210301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1030123013) and next prime (1030123027).

It is a super-2 number, since 2×1030123020² = 2122306872667840800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1030122987 and 1030123005.

It is not an unprimeable number, because it can be changed into a prime (1030123027) 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, 8584299 + ... + 8584418.

It is an arithmetic number, because the mean of its divisors is an integer number (120181026).

Almost surely, 2^1030123020 is an apocalyptic number.

1030123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030123020 is an abundant number, since it is smaller than the sum of its proper divisors (1854221604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1030123020 is a wasteful number, since it uses less digits than its factorization.

1030123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17168729 (or 17168727 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1030123020 is about 32095.5295952567. The cubic root of 1030123020 is about 1009.9418389539.

Adding to 1030123020 its reverse (203210301), we get a palindrome (1233333321).

The spelling of 1030123020 in words is "one billion, thirty million, one hundred twenty-three thousand, twenty".