123010220 has 12 divisors (see below), whose sum is σ = 258321504. Its totient is φ = 49204080.

The previous prime is 123010211. The next prime is 123010243. The reversal of 123010220 is 22010321.

It is a happy 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, 3075236 + ... + 3075275.

It is an arithmetic number, because the mean of its divisors is an integer number (21526792).

Almost surely, 2^123010220 is an apocalyptic number.

123010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123010220 is an abundant number, since it is smaller than the sum of its proper divisors (135311284).

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

123010220 is a wasteful number, since it uses less digits than its factorization.

123010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150520 (or 6150518 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 123010220 is about 11090.9972500222. The cubic root of 123010220 is about 497.3327569292.

Adding to 123010220 its reverse (22010321), we get a palindrome (145020541).

The spelling of 123010220 in words is "one hundred twenty-three million, ten thousand, two hundred twenty".