1252044455 has 8 divisors (see below), whose sum is σ = 1502887632. Its totient is φ = 1001346048.

The previous prime is 1252044449. The next prime is 1252044457. The reversal of 1252044455 is 5544402521.

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 1252044455 - 2¹⁰ = 1252043431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252044457) 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, 16154 + ... + 52583.

It is an arithmetic number, because the mean of its divisors is an integer number (187860954).

Almost surely, 2^1252044455 is an apocalyptic number.

1252044455 is a deficient number, since it is larger than the sum of its proper divisors (250843177).

1252044455 is an equidigital number, since it uses as much as digits as its factorization.

1252044455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72385.

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 1252044455 is about 35384.2402066231. The cubic root of 1252044455 is about 1077.8043110952.

Adding to 1252044455 its reverse (5544402521), we get a palindrome (6796446976).

The spelling of 1252044455 in words is "one billion, two hundred fifty-two million, forty-four thousand, four hundred fifty-five".