1020123030 has 32 divisors (see below), whose sum is σ = 2482783488. Its totient is φ = 268200800.

The previous prime is 1020123019. The next prime is 1020123067. The reversal of 1020123030 is 303210201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020122997 and 1020123015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237336 + ... + 241595.

It is an arithmetic number, because the mean of its divisors is an integer number (77586984).

Almost surely, 2^1020123030 is an apocalyptic number.

1020123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020123030 is an abundant number, since it is smaller than the sum of its proper divisors (1462660458).

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

1020123030 is a wasteful number, since it uses less digits than its factorization.

1020123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479012.

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

The square root of 1020123030 is about 31939.3648966287. The cubic root of 1020123030 is about 1006.6631800872.

Adding to 1020123030 its reverse (303210201), we get a palindrome (1323333231).

The spelling of 1020123030 in words is "one billion, twenty million, one hundred twenty-three thousand, thirty".