252801123 has 16 divisors (see below), whose sum is σ = 339651840. Its totient is φ = 167248224.

The previous prime is 252801103. The next prime is 252801139. The reversal of 252801123 is 321108252.

It is not a de Polignac number, because 252801123 - 2¹⁴ = 252784739 is a prime.

It is a super-2 number, since 2×252801123² = 127816815580122258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252801093 and 252801102.

It is not an unprimeable number, because it can be changed into a prime (252801103) 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 in 15 ways as a sum of consecutive naturals, for example, 293868 + ... + 294726.

It is an arithmetic number, because the mean of its divisors is an integer number (21228240).

Almost surely, 2^252801123 is an apocalyptic number.

252801123 is a deficient number, since it is larger than the sum of its proper divisors (86850717).

252801123 is a wasteful number, since it uses less digits than its factorization.

252801123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 252801123 is about 15899.7208466061. The cubic root of 252801123 is about 632.3045878337.

Adding to 252801123 its reverse (321108252), we get a palindrome (573909375).

The spelling of 252801123 in words is "two hundred fifty-two million, eight hundred one thousand, one hundred twenty-three".