1252706011 has 4 divisors (see below), whose sum is σ = 1295902800. Its totient is φ = 1209509224.

The previous prime is 1252705999. The next prime is 1252706023. The reversal of 1252706011 is 1106072521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1106072521 = 1297 ⋅852793.

It is an interprime number because it is at equal distance from previous prime (1252705999) and next prime (1252706023).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252706011 is a prime.

It is a super-3 number, since 3×1252706011³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252706041) 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 3 ways as a sum of consecutive naturals, for example, 21598351 + ... + 21598408.

It is an arithmetic number, because the mean of its divisors is an integer number (323975700).

Almost surely, 2^1252706011 is an apocalyptic number.

1252706011 is a deficient number, since it is larger than the sum of its proper divisors (43196789).

1252706011 is an equidigital number, since it uses as much as digits as its factorization.

1252706011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43196788.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1252706011 is about 35393.5871451312. The cubic root of 1252706011 is about 1077.9941079669.

Adding to 1252706011 its reverse (1106072521), we get a palindrome (2358778532).

The spelling of 1252706011 in words is "one billion, two hundred fifty-two million, seven hundred six thousand, eleven".