1010123019 has 12 divisors (see below), whose sum is σ = 1492998936. Its totient is φ = 657754272.

The previous prime is 1010122999. The next prime is 1010123029. The reversal of 1010123019 is 9103210101.

It is not a de Polignac number, because 1010123019 - 2⁷ = 1010122891 is a prime.

It is a super-4 number, since 4×1010123019⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1010122992 and 1010123010.

It is not an unprimeable number, because it can be changed into a prime (1010123029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1304682 + ... + 1305455.

It is an arithmetic number, because the mean of its divisors is an integer number (124416578).

Almost surely, 2^1010123019 is an apocalyptic number.

1010123019 is a deficient number, since it is larger than the sum of its proper divisors (482875917).

1010123019 is a wasteful number, since it uses less digits than its factorization.

1010123019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610186 (or 2610183 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 1010123019 is about 31782.4325532203. The cubic root of 1010123019 is about 1003.3630171042.

The spelling of 1010123019 in words is "one billion, ten million, one hundred twenty-three thousand, nineteen".