1249875252 has 48 divisors (see below), whose sum is σ = 3410971200. Its totient is φ = 394696800.

The previous prime is 1249875229. The next prime is 1249875257. The reversal of 1249875252 is 2525789421.

1249875252 is a `hidden beast` number, since 1 + 2 + 49 + 87 + 525 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1249875198 and 1249875207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249875257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302499 + ... + 306602.

It is an arithmetic number, because the mean of its divisors is an integer number (71061900).

Almost surely, 2^1249875252 is an apocalyptic number.

1249875252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1249875252 is an abundant number, since it is smaller than the sum of its proper divisors (2161095948).

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

1249875252 is a wasteful number, since it uses less digits than its factorization.

1249875252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609133 (or 609125 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 1249875252 is about 35353.5748121742. The cubic root of 1249875252 is about 1077.1815089680.

The spelling of 1249875252 in words is "one billion, two hundred forty-nine million, eight hundred seventy-five thousand, two hundred fifty-two".