1255437267 has 32 divisors (see below), whose sum is σ = 2113661952. Its totient is φ = 645832704.

The previous prime is 1255437263. The next prime is 1255437277. The reversal of 1255437267 is 7627345521.

It is not a de Polignac number, because 1255437267 - 2² = 1255437263 is a prime.

It is a super-3 number, since 3×1255437267³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1255437263) 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 31 ways as a sum of consecutive naturals, for example, 68238 + ... + 84659.

It is an arithmetic number, because the mean of its divisors is an integer number (66051936).

Almost surely, 2^1255437267 is an apocalyptic number.

1255437267 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1255437267 is a deficient number, since it is larger than the sum of its proper divisors (858224685).

1255437267 is a wasteful number, since it uses less digits than its factorization.

1255437267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152947.

The product of its digits is 352800, while the sum is 42.

The square root of 1255437267 is about 35432.1501887763. The cubic root of 1255437267 is about 1078.7769840366.

The spelling of 1255437267 in words is "one billion, two hundred fifty-five million, four hundred thirty-seven thousand, two hundred sixty-seven".