123002427 has 16 divisors (see below), whose sum is σ = 170238240. Its totient is φ = 78903552.

The previous prime is 123002423. The next prime is 123002441. The reversal of 123002427 is 724200321.

It is not a de Polignac number, because 123002427 - 2² = 123002423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123002423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24973 + ... + 29489.

It is an arithmetic number, because the mean of its divisors is an integer number (10639890).

Almost surely, 2^123002427 is an apocalyptic number.

123002427 is a deficient number, since it is larger than the sum of its proper divisors (47235813).

123002427 is a wasteful number, since it uses less digits than its factorization.

123002427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 123002427 is about 11090.6459234798. The cubic root of 123002427 is about 497.3222542896.

Adding to 123002427 its reverse (724200321), we get a palindrome (847202748).

The spelling of 123002427 in words is "one hundred twenty-three million, two thousand, four hundred twenty-seven".