1252044655 has 8 divisors (see below), whose sum is σ = 1503177984. Its totient is φ = 1001152800.

The previous prime is 1252044641. The next prime is 1252044659. The reversal of 1252044655 is 5564402521.

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

It is not a de Polignac number, because 1252044655 - 2⁵ = 1252044623 is a prime.

It is a super-2 number, since 2×1252044655² = 3135231636228138050, which contains 22 as substring.

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 1252044655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252044659) 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 7 ways as a sum of consecutive naturals, for example, 48756 + ... + 69865.

It is an arithmetic number, because the mean of its divisors is an integer number (187897248).

Almost surely, 2^1252044655 is an apocalyptic number.

1252044655 is a deficient number, since it is larger than the sum of its proper divisors (251133329).

1252044655 is a wasteful number, since it uses less digits than its factorization.

1252044655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120737.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 1252044655 is about 35384.2430327399. The cubic root of 1252044655 is about 1077.8043684842.

It can be divided in two parts, 12520 and 44655, that added together give a palindrome (57175).

The spelling of 1252044655 in words is "one billion, two hundred fifty-two million, forty-four thousand, six hundred fifty-five".