1010123020 has 24 divisors (see below), whose sum is σ = 2125159344. Its totient is φ = 403306176.

The previous prime is 1010122999. The next prime is 1010123029. The reversal of 1010123020 is 203210101.

It is a super-4 number, since 4×1010123020⁴ (a number of 37 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1010122988 and 1010123006.

It is not an unprimeable number, because it can be changed into a prime (1010123029) 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, 35227 + ... + 57106.

It is an arithmetic number, because the mean of its divisors is an integer number (88548306).

Almost surely, 2^1010123020 is an apocalyptic number.

1010123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010123020 is an abundant number, since it is smaller than the sum of its proper divisors (1115036324).

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

1010123020 is a wasteful number, since it uses less digits than its factorization.

1010123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92889 (or 92887 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1010123020 is about 31782.4325689523. The cubic root of 1010123020 is about 1003.3630174353.

Adding to 1010123020 its reverse (203210101), we get a palindrome (1213333121).

The spelling of 1010123020 in words is "one billion, ten million, one hundred twenty-three thousand, twenty".