1252322005 has 8 divisors (see below), whose sum is σ = 1639403424. Its totient is φ = 910779600.

The previous prime is 1252321997. The next prime is 1252322033. The reversal of 1252322005 is 5002232521.

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

It is not a de Polignac number, because 1252322005 - 2³ = 1252321997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11384691 + ... + 11384800.

It is an arithmetic number, because the mean of its divisors is an integer number (204925428).

Almost surely, 2^1252322005 is an apocalyptic number.

It is an amenable number.

1252322005 is a deficient number, since it is larger than the sum of its proper divisors (387081419).

1252322005 is a wasteful number, since it uses less digits than its factorization.

1252322005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22769507.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1252322005 is about 35388.1619330533. The cubic root of 1252322005 is about 1077.8839468418.

Adding to 1252322005 its reverse (5002232521), we get a palindrome (6254554526).

The spelling of 1252322005 in words is "one billion, two hundred fifty-two million, three hundred twenty-two thousand, five".