1270445253 has 64 divisors (see below), whose sum is σ = 2198016000. Its totient is φ = 633346560.

The previous prime is 1270445233. The next prime is 1270445261. The reversal of 1270445253 is 3525440721.

It is not a de Polignac number, because 1270445253 - 2⁵ = 1270445221 is a prime.

It is a super-3 number, since 3×1270445253³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270445213) 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 63 ways as a sum of consecutive naturals, for example, 1332625 + ... + 1333577.

It is an arithmetic number, because the mean of its divisors is an integer number (34344000).

Almost surely, 2^1270445253 is an apocalyptic number.

It is an amenable number.

1270445253 is a deficient number, since it is larger than the sum of its proper divisors (927570747).

1270445253 is a wasteful number, since it uses less digits than its factorization.

1270445253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 1270445253 is about 35643.3058651972. The cubic root of 1270445253 is about 1083.0586741555.

Adding to 1270445253 its reverse (3525440721), we get a palindrome (4795885974).

The spelling of 1270445253 in words is "one billion, two hundred seventy million, four hundred forty-five thousand, two hundred fifty-three".