1252020238 has 32 divisors (see below), whose sum is σ = 2297606400. Its totient is φ = 499716864.

The previous prime is 1252020167. The next prime is 1252020251. The reversal of 1252020238 is 8320202521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24195 + ... + 55582.

It is an arithmetic number, because the mean of its divisors is an integer number (71800200).

Almost surely, 2^1252020238 is an apocalyptic number.

1252020238 is a deficient number, since it is larger than the sum of its proper divisors (1045586162).

1252020238 is a wasteful number, since it uses less digits than its factorization.

1252020238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79864.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1252020238 is about 35383.8980046009. The cubic root of 1252020238 is about 1077.7973620993.

Adding to 1252020238 its reverse (8320202521), we get a palindrome (9572222759).

The spelling of 1252020238 in words is "one billion, two hundred fifty-two million, twenty thousand, two hundred thirty-eight".