1252572211 has 8 divisors (see below), whose sum is σ = 1403373744. Its totient is φ = 1107925920.

The previous prime is 1252572197. The next prime is 1252572221. The reversal of 1252572211 is 1122752521.

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 1252572211 - 2¹⁵ = 1252539443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252572211.

It is not an unprimeable number, because it can be changed into a prime (1252572221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1538380 + ... + 1539193.

It is an arithmetic number, because the mean of its divisors is an integer number (175421718).

Almost surely, 2^1252572211 is an apocalyptic number.

1252572211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1252572211 is a deficient number, since it is larger than the sum of its proper divisors (150801533).

1252572211 is a wasteful number, since it uses less digits than its factorization.

1252572211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077621.

The product of its digits is 2800, while the sum is 28.

The square root of 1252572211 is about 35391.6969217358. The cubic root of 1252572211 is about 1077.9557268554.

The spelling of 1252572211 in words is "one billion, two hundred fifty-two million, five hundred seventy-two thousand, two hundred eleven".