1252061316 has 72 divisors (see below), whose sum is σ = 3634394400. Its totient is φ = 359441280.

The previous prime is 1252061303. The next prime is 1252061351. The reversal of 1252061316 is 6131602521.

1252061316 is a `hidden beast` number, since 1 + 2 + 520 + 6 + 131 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1252061316.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75681 + ... + 90728.

It is an arithmetic number, because the mean of its divisors is an integer number (50477700).

Almost surely, 2^1252061316 is an apocalyptic number.

It is an amenable number.

1252061316 is an abundant number, since it is smaller than the sum of its proper divisors (2382333084).

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

1252061316 is a wasteful number, since it uses less digits than its factorization.

1252061316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166449 (or 166444 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1252061316 is about 35384.4784616080. The cubic root of 1252061316 is about 1077.8091492559.

Adding to 1252061316 its reverse (6131602521), we get a palindrome (7383663837).

The spelling of 1252061316 in words is "one billion, two hundred fifty-two million, sixty-one thousand, three hundred sixteen".