1252164306 has 16 divisors (see below), whose sum is σ = 2508035904. Its totient is φ = 416770224.

The previous prime is 1252164293. The next prime is 1252164337. The reversal of 1252164306 is 6034612521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150070 + ... + 158193.

It is an arithmetic number, because the mean of its divisors is an integer number (156752244).

Almost surely, 2^1252164306 is an apocalyptic number.

1252164306 is an abundant number, since it is smaller than the sum of its proper divisors (1255871598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252164306 is a wasteful number, since it uses less digits than its factorization.

1252164306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308945.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1252164306 is about 35385.9337307920. The cubic root of 1252164306 is about 1077.8387006630.

Adding to 1252164306 its reverse (6034612521), we get a palindrome (7286776827).

The spelling of 1252164306 in words is "one billion, two hundred fifty-two million, one hundred sixty-four thousand, three hundred six".