1262755255 has 4 divisors (see below), whose sum is σ = 1515306312. Its totient is φ = 1010204200.

The previous prime is 1262755201. The next prime is 1262755267. The reversal of 1262755255 is 5525572621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1262755255 - 2¹⁹ = 1262230967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126275521 + ... + 126275530.

It is an arithmetic number, because the mean of its divisors is an integer number (378826578).

Almost surely, 2^1262755255 is an apocalyptic number.

1262755255 is a deficient number, since it is larger than the sum of its proper divisors (252551057).

1262755255 is an equidigital number, since it uses as much as digits as its factorization.

1262755255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252551056.

The product of its digits is 210000, while the sum is 40.

The square root of 1262755255 is about 35535.2677631673. The cubic root of 1262755255 is about 1080.8690008052.

The spelling of 1262755255 in words is "one billion, two hundred sixty-two million, seven hundred fifty-five thousand, two hundred fifty-five".