1252133245 has 16 divisors (see below), whose sum is σ = 1692034560. Its totient is φ = 881265600.

The previous prime is 1252133221. The next prime is 1252133263. The reversal of 1252133245 is 5423312521.

It is not a de Polignac number, because 1252133245 - 2⁵ = 1252133213 is a prime.

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, 365490 + ... + 368899.

It is an arithmetic number, because the mean of its divisors is an integer number (105752160).

Almost surely, 2^1252133245 is an apocalyptic number.

It is an amenable number.

1252133245 is a deficient number, since it is larger than the sum of its proper divisors (439901315).

1252133245 is a wasteful number, since it uses less digits than its factorization.

1252133245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734436.

The product of its digits is 7200, while the sum is 28.

The square root of 1252133245 is about 35385.4948389873. The cubic root of 1252133245 is about 1077.8297883542.

Adding to 1252133245 its reverse (5423312521), we get a palindrome (6675445766).

The spelling of 1252133245 in words is "one billion, two hundred fifty-two million, one hundred thirty-three thousand, two hundred forty-five".