1275055136 has 24 divisors (see below), whose sum is σ = 2552815440. Its totient is φ = 626721088.

The previous prime is 1275055109. The next prime is 1275055169. The reversal of 1275055136 is 6315505721.

It is a junction number, because it is equal to n+sod(n) for n = 1275055096 and 1275055105.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 335786 + ... + 339561.

It is an arithmetic number, because the mean of its divisors is an integer number (106367310).

Almost surely, 2^1275055136 is an apocalyptic number.

1275055136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1275055136 is an abundant number, since it is smaller than the sum of its proper divisors (1277760304).

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

1275055136 is an equidigital number, since it uses as much as digits as its factorization.

1275055136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675416 (or 675408 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 1275055136 is about 35707.9141927949. The cubic root of 1275055136 is about 1084.3670729360.

The spelling of 1275055136 in words is "one billion, two hundred seventy-five million, fifty-five thousand, one hundred thirty-six".