1275155133 has 8 divisors (see below), whose sum is σ = 1943093568. Its totient is φ = 728660064.

The previous prime is 1275155131. The next prime is 1275155149. The reversal of 1275155133 is 3315515721.

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

It is not a de Polignac number, because 1275155133 - 2¹ = 1275155131 is a prime.

It is a super-2 number, since 2×1275155133² = 3252041226432495378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1275155094 and 1275155103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275155131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30360816 + ... + 30360857.

It is an arithmetic number, because the mean of its divisors is an integer number (242886696).

Almost surely, 2^1275155133 is an apocalyptic number.

It is an amenable number.

1275155133 is a deficient number, since it is larger than the sum of its proper divisors (667938435).

1275155133 is an equidigital number, since it uses as much as digits as its factorization.

1275155133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60721683.

The product of its digits is 15750, while the sum is 33.

The square root of 1275155133 is about 35709.3143731436. The cubic root of 1275155133 is about 1084.3954195846.

The spelling of 1275155133 in words is "one billion, two hundred seventy-five million, one hundred fifty-five thousand, one hundred thirty-three".