252019126 has 4 divisors (see below), whose sum is σ = 378028692. Its totient is φ = 126009562.

The previous prime is 252019109. The next prime is 252019127. The reversal of 252019126 is 621910252.

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

It is a junction number, because it is equal to n+sod(n) for n = 252019094 and 252019103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252019127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63004780 + ... + 63004783.

It is an arithmetic number, because the mean of its divisors is an integer number (94507173).

Almost surely, 2^252019126 is an apocalyptic number.

252019126 is a deficient number, since it is larger than the sum of its proper divisors (126009566).

252019126 is a wasteful number, since it uses less digits than its factorization.

252019126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126009565.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 252019126 is about 15875.1102673336. The cubic root of 252019126 is about 631.6519390828.

Adding to 252019126 its reverse (621910252), we get a palindrome (873929378).

The spelling of 252019126 in words is "two hundred fifty-two million, nineteen thousand, one hundred twenty-six".