123141020 has 12 divisors (see below), whose sum is σ = 258596184. Its totient is φ = 49256400.

The previous prime is 123141019. The next prime is 123141089. The reversal of 123141020 is 20141321.

It is a junction number, because it is equal to n+sod(n) for n = 123140986 and 123141004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3078506 + ... + 3078545.

It is an arithmetic number, because the mean of its divisors is an integer number (21549682).

Almost surely, 2^123141020 is an apocalyptic number.

123141020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123141020 is an abundant number, since it is smaller than the sum of its proper divisors (135455164).

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

123141020 is a wasteful number, since it uses less digits than its factorization.

123141020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6157060 (or 6157058 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 123141020 is about 11096.8923577730. The cubic root of 123141020 is about 497.5089701505.

Adding to 123141020 its reverse (20141321), we get a palindrome (143282341).

The spelling of 123141020 in words is "one hundred twenty-three million, one hundred forty-one thousand, twenty".