1252212134 has 4 divisors (see below), whose sum is σ = 1878318204. Its totient is φ = 626106066.

The previous prime is 1252212113. The next prime is 1252212149. The reversal of 1252212134 is 4312122521.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313053032 + ... + 313053035.

It is an arithmetic number, because the mean of its divisors is an integer number (469579551).

Almost surely, 2^1252212134 is an apocalyptic number.

1252212134 is a deficient number, since it is larger than the sum of its proper divisors (626106070).

1252212134 is an equidigital number, since it uses as much as digits as its factorization.

1252212134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626106069.

The product of its digits is 960, while the sum is 23.

The square root of 1252212134 is about 35386.6095295947. The cubic root of 1252212134 is about 1077.8524236259.

Adding to 1252212134 its reverse (4312122521), we get a palindrome (5564334655).

The spelling of 1252212134 in words is "one billion, two hundred fifty-two million, two hundred twelve thousand, one hundred thirty-four".