969888123 has 12 divisors (see below), whose sum is σ = 1401826608. Its totient is φ = 646187280.

The previous prime is 969888109. The next prime is 969888163. The reversal of 969888123 is 321888969.

It is a happy number.

It is not a de Polignac number, because 969888123 - 2¹⁰ = 969887099 is a prime.

It is a super-2 number, since 2×969888123² = 1881365942272926258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 969888123.

It is not an unprimeable number, because it can be changed into a prime (969888163) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 18183 + ... + 47648.

It is an arithmetic number, because the mean of its divisors is an integer number (116818884).

Almost surely, 2^969888123 is an apocalyptic number.

969888123 is a deficient number, since it is larger than the sum of its proper divisors (431938485).

969888123 is a wasteful number, since it uses less digits than its factorization.

969888123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67474 (or 67471 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 969888123 is about 31143.0268760119. The cubic root of 969888123 is about 989.8602404484.

It can be divided in two parts, 96988 and 8123, that added together give a triangular number (105111 = T₄₅₈).

The spelling of 969888123 in words is "nine hundred sixty-nine million, eight hundred eighty-eight thousand, one hundred twenty-three".