1252785201 has 8 divisors (see below), whose sum is σ = 1670860800. Its totient is φ = 834949872.

The previous prime is 1252785179. The next prime is 1252785223. The reversal of 1252785201 is 1025872521.

It is an interprime number because it is at equal distance from previous prime (1252785179) and next prime (1252785223).

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

It is not a de Polignac number, because 1252785201 - 2¹⁰ = 1252784177 is a prime.

It is a super-2 number, since 2×1252785201² = 3138941519689220802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1252785251) 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 7 ways as a sum of consecutive naturals, for example, 47526 + ... + 69023.

It is an arithmetic number, because the mean of its divisors is an integer number (208857600).

Almost surely, 2^1252785201 is an apocalyptic number.

It is an amenable number.

1252785201 is a deficient number, since it is larger than the sum of its proper divisors (418075599).

1252785201 is a wasteful number, since it uses less digits than its factorization.

1252785201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120135.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 1252785201 is about 35394.7058329350. The cubic root of 1252785201 is about 1078.0168226751.

The spelling of 1252785201 in words is "one billion, two hundred fifty-two million, seven hundred eighty-five thousand, two hundred one".