123012260 has 24 divisors (see below), whose sum is σ = 295229760. Its totient is φ = 42175584.

The previous prime is 123012223. The next prime is 123012271. The reversal of 123012260 is 62210321.

It is a super-2 number, since 2×123012260² = 30264032220615200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439190 + ... + 439469.

It is an arithmetic number, because the mean of its divisors is an integer number (12301240).

Almost surely, 2^123012260 is an apocalyptic number.

123012260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123012260 is an abundant number, since it is smaller than the sum of its proper divisors (172217500).

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

123012260 is a wasteful number, since it uses less digits than its factorization.

123012260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878675 (or 878673 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 123012260 is about 11091.0892161230. The cubic root of 123012260 is about 497.3355061674.

Adding to 123012260 its reverse (62210321), we get a palindrome (185222581).

The spelling of 123012260 in words is "one hundred twenty-three million, twelve thousand, two hundred sixty".