1255705088 has 60 divisors (see below), whose sum is σ = 2757915930. Its totient is φ = 570746880.

The previous prime is 1255705067. The next prime is 1255705093. The reversal of 1255705088 is 8805075521.

It can be written as a sum of positive squares in only one way, i.e., 927080704 + 328624384 = 30448^2 + 18128^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51818 + ... + 72086.

Almost surely, 2^1255705088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255705088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378957965).

1255705088 is an abundant number, since it is smaller than the sum of its proper divisors (1502210842).

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

1255705088 is an equidigital number, since it uses as much as digits as its factorization.

1255705088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20309 (or 20282 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 41.

The square root of 1255705088 is about 35435.9293373265. The cubic root of 1255705088 is about 1078.8536900034.

The spelling of 1255705088 in words is "one billion, two hundred fifty-five million, seven hundred five thousand, eighty-eight".