123020892 has 36 divisors (see below), whose sum is σ = 311416560. Its totient is φ = 40948032.

The previous prime is 123020881. The next prime is 123020903. The reversal of 123020892 is 298020321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123020881) and next prime (123020903).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28168 + ... + 32240.

It is an arithmetic number, because the mean of its divisors is an integer number (8650460).

Almost surely, 2^123020892 is an apocalyptic number.

123020892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123020892 is an abundant number, since it is smaller than the sum of its proper divisors (188395668).

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

123020892 is a wasteful number, since it uses less digits than its factorization.

123020892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922 (or 4917 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 123020892 is about 11091.4783505176. The cubic root of 123020892 is about 497.3471388824.

It can be divided in two parts, 1230 and 20892, that added together give a palindrome (22122).

The spelling of 123020892 in words is "one hundred twenty-three million, twenty thousand, eight hundred ninety-two".