123410242 has 16 divisors (see below), whose sum is σ = 197146872. Its totient is φ = 57736960.

The previous prime is 123410237. The next prime is 123410251. The reversal of 123410242 is 242014321.

It can be written as a sum of positive squares in 4 ways, for example, as 123409881 + 361 = 11109^2 + 19^2 .

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, 4609 + ... + 16372.

Almost surely, 2^123410242 is an apocalyptic number.

123410242 is a deficient number, since it is larger than the sum of its proper divisors (73736630).

123410242 is a wasteful number, since it uses less digits than its factorization.

123410242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21173.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 123410242 is about 11109.0162480753. The cubic root of 123410242 is about 497.8712725674.

Adding to 123410242 its reverse (242014321), we get a palindrome (365424563).

It can be divided in two parts, 1234 and 10242, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 123410242 in words is "one hundred twenty-three million, four hundred ten thousand, two hundred forty-two".