123246530 has 16 divisors (see below), whose sum is σ = 242011584. Its totient is φ = 44816880.

The previous prime is 123246527. The next prime is 123246547. The reversal of 123246530 is 35642321.

It is a self number, because there is not a number n which added to its sum of digits gives 123246530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560102 + ... + 560321.

It is an arithmetic number, because the mean of its divisors is an integer number (15125724).

Almost surely, 2^123246530 is an apocalyptic number.

123246530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123246530 is a deficient number, since it is larger than the sum of its proper divisors (118765054).

123246530 is a wasteful number, since it uses less digits than its factorization.

123246530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120441.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 123246530 is about 11101.6453735471. The cubic root of 123246530 is about 497.6510218849.

Adding to 123246530 its reverse (35642321), we get a palindrome (158888851).

The spelling of 123246530 in words is "one hundred twenty-three million, two hundred forty-six thousand, five hundred thirty".