1012101123 has 16 divisors (see below), whose sum is σ = 1485910656. Its totient is φ = 607659840.

The previous prime is 1012101121. The next prime is 1012101151. The reversal of 1012101123 is 3211012101.

It is not a de Polignac number, because 1012101123 - 2¹ = 1012101121 is a prime.

It is a super-3 number, since 3×1012101123³ (a number of 28 digits) contains 333 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 = 1012101099 and 1012101108.

It is not an unprimeable number, because it can be changed into a prime (1012101121) 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 15 ways as a sum of consecutive naturals, for example, 139786 + ... + 146847.

It is an arithmetic number, because the mean of its divisors is an integer number (92869416).

Almost surely, 2^1012101123 is an apocalyptic number.

1012101123 is a deficient number, since it is larger than the sum of its proper divisors (473809533).

1012101123 is a wasteful number, since it uses less digits than its factorization.

1012101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286754.

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

The square root of 1012101123 is about 31813.5367886062. The cubic root of 1012101123 is about 1004.0175453805.

Adding to 1012101123 its reverse (3211012101), we get a palindrome (4223113224).

The spelling of 1012101123 in words is "one billion, twelve million, one hundred one thousand, one hundred twenty-three".