1252001276 has 12 divisors (see below), whose sum is σ = 2306318280. Its totient is φ = 593053200.

The previous prime is 1252001273. The next prime is 1252001281. The reversal of 1252001276 is 6721002521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252001273) 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 in 3 ways as a sum of consecutive naturals, for example, 8236775 + ... + 8236926.

It is an arithmetic number, because the mean of its divisors is an integer number (192193190).

Almost surely, 2^1252001276 is an apocalyptic number.

It is an amenable number.

1252001276 is a deficient number, since it is larger than the sum of its proper divisors (1054317004).

1252001276 is a wasteful number, since it uses less digits than its factorization.

1252001276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16473724 (or 16473722 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1252001276 is about 35383.6300568497. The cubic root of 1252001276 is about 1077.7919209474.

Adding to 1252001276 its reverse (6721002521), we get a palindrome (7973003797).

The spelling of 1252001276 in words is "one billion, two hundred fifty-two million, one thousand, two hundred seventy-six".