1252252105 has 16 divisors (see below), whose sum is σ = 1619037504. Its totient is φ = 924315840.

The previous prime is 1252252093. The next prime is 1252252123. The reversal of 1252252105 is 5012522521.

It is not a de Polignac number, because 1252252105 - 2⁹ = 1252251593 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 1252252105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251490 + ... + 256420.

It is an arithmetic number, because the mean of its divisors is an integer number (101189844).

Almost surely, 2^1252252105 is an apocalyptic number.

It is an amenable number.

1252252105 is a deficient number, since it is larger than the sum of its proper divisors (366785399).

1252252105 is a wasteful number, since it uses less digits than its factorization.

1252252105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8856.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1252252105 is about 35387.1743008678. The cubic root of 1252252105 is about 1077.8638919652.

Adding to 1252252105 its reverse (5012522521), we get a palindrome (6264774626).

The spelling of 1252252105 in words is "one billion, two hundred fifty-two million, two hundred fifty-two thousand, one hundred five".