1252311404 has 6 divisors (see below), whose sum is σ = 2191544964. Its totient is φ = 626155700.

The previous prime is 1252311343. The next prime is 1252311407. The reversal of 1252311404 is 4041132521.

It is a self number, because there is not a number n which added to its sum of digits gives 1252311404.

It is not an unprimeable number, because it can be changed into a prime (1252311407) 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 as a sum of consecutive naturals, namely, 156538922 + ... + 156538929.

It is an arithmetic number, because the mean of its divisors is an integer number (365257494).

Almost surely, 2^1252311404 is an apocalyptic number.

It is an amenable number.

1252311404 is a deficient number, since it is larger than the sum of its proper divisors (939233560).

1252311404 is a wasteful number, since it uses less digits than its factorization.

1252311404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313077855 (or 313077853 counting only the distinct ones).

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

The square root of 1252311404 is about 35388.0121510096. The cubic root of 1252311404 is about 1077.8809053769.

Adding to 1252311404 its reverse (4041132521), we get a palindrome (5293443925).

The spelling of 1252311404 in words is "one billion, two hundred fifty-two million, three hundred eleven thousand, four hundred four".