123002461 has 4 divisors (see below), whose sum is σ = 123024924. Its totient is φ = 122980000.

The previous prime is 123002449. The next prime is 123002479. The reversal of 123002461 is 164200321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37088100 + 85914361 = 6090^2 + 9269^2 .

It is a cyclic number.

It is not a de Polignac number, because 123002461 - 2¹⁷ = 122871389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123002401) 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 3 ways as a sum of consecutive naturals, for example, 2961 + ... + 15961.

It is an arithmetic number, because the mean of its divisors is an integer number (30756231).

Almost surely, 2^123002461 is an apocalyptic number.

It is an amenable number.

123002461 is a deficient number, since it is larger than the sum of its proper divisors (22463).

123002461 is an equidigital number, since it uses as much as digits as its factorization.

123002461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22462.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 123002461 is about 11090.6474563030. The cubic root of 123002461 is about 497.3223001124.

Adding to 123002461 its reverse (164200321), we get a palindrome (287202782).

The spelling of 123002461 in words is "one hundred twenty-three million, two thousand, four hundred sixty-one".