1252152459 has 64 divisors (see below), whose sum is σ = 2139264000. Its totient is φ = 718502400.

The previous prime is 1252152443. The next prime is 1252152467. The reversal of 1252152459 is 9542512521.

1252152459 is a `hidden beast` number, since 1 + 2 + 52 + 152 + 459 = 666.

It is not a de Polignac number, because 1252152459 - 2⁴ = 1252152443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252154459) 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 63 ways as a sum of consecutive naturals, for example, 250434 + ... + 255384.

It is an arithmetic number, because the mean of its divisors is an integer number (33426000).

Almost surely, 2^1252152459 is an apocalyptic number.

1252152459 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1252152459 is a deficient number, since it is larger than the sum of its proper divisors (887111541).

1252152459 is a wasteful number, since it uses less digits than its factorization.

1252152459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025 (or 5019 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 1252152459 is about 35385.7663333720. The cubic root of 1252152459 is about 1077.8353014298.

It can be divided in two parts, 12521 and 52459, that added together give a triangular number (64980 = T₃₆₀).

The spelling of 1252152459 in words is "one billion, two hundred fifty-two million, one hundred fifty-two thousand, four hundred fifty-nine".