5123042 has 4 divisors (see below), whose sum is σ = 7684566. Its totient is φ = 2561520.

The previous prime is 5123011. The next prime is 5123051. The reversal of 5123042 is 2403215.

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

It can be written as a sum of positive squares in only one way, i.e., 2686321 + 2436721 = 1639^2 + 1561^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5123042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280759 + ... + 1280762.

Almost surely, 2^5123042 is an apocalyptic number.

5123042 is a deficient number, since it is larger than the sum of its proper divisors (2561524).

5123042 is a wasteful number, since it uses less digits than its factorization.

5123042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561523.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 5123042 is about 2263.4137933661. The cubic root of 5123042 is about 172.3889027692.

Adding to 5123042 its reverse (2403215), we get a palindrome (7526257).

It can be divided in two parts, 512 and 3042, that multiplied together give a square (1557504 = 1248²).

The spelling of 5123042 in words is "five million, one hundred twenty-three thousand, forty-two".