1270504128 has 56 divisors (see below), whose sum is σ = 3424994928. Its totient is φ = 415507456.

The previous prime is 1270504117. The next prime is 1270504159. The reversal of 1270504128 is 8214050721.

It is a super-2 number, since 2×1270504128² = 3228361478530080768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1270504095 and 1270504104.

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, 52251 + ... + 72602.

Almost surely, 2^1270504128 is an apocalyptic number.

It is an amenable number.

1270504128 is an abundant number, since it is smaller than the sum of its proper divisors (2154490800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1270504128 is a wasteful number, since it uses less digits than its factorization.

1270504128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124921 (or 124911 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 1270504128 is about 35644.1317470352. The cubic root of 1270504128 is about 1083.0754042728.

Adding to 1270504128 its reverse (8214050721), we get a palindrome (9484554849).

The spelling of 1270504128 in words is "one billion, two hundred seventy million, five hundred four thousand, one hundred twenty-eight".