1252783051 has 8 divisors (see below), whose sum is σ = 1351382144. Its totient is φ = 1154502720.

The previous prime is 1252783039. The next prime is 1252783061. The reversal of 1252783051 is 1503872521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1252783051 - 2⁹ = 1252782539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252782998 and 1252783016.

It is not an unprimeable number, because it can be changed into a prime (1252783061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71490 + ... + 87271.

It is an arithmetic number, because the mean of its divisors is an integer number (168922768).

Almost surely, 2^1252783051 is an apocalyptic number.

1252783051 is a deficient number, since it is larger than the sum of its proper divisors (98599093).

1252783051 is a wasteful number, since it uses less digits than its factorization.

1252783051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159381.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 1252783051 is about 35394.6754611481. The cubic root of 1252783051 is about 1078.0162059859.

The spelling of 1252783051 in words is "one billion, two hundred fifty-two million, seven hundred eighty-three thousand, fifty-one".