1255022632 has 8 divisors (see below), whose sum is σ = 2353167450. Its totient is φ = 627511312.

The previous prime is 1255022597. The next prime is 1255022633. The reversal of 1255022632 is 2362205521.

It can be written as a sum of positive squares in only one way, i.e., 1185700356 + 69322276 = 34434^2 + 8326^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1255022632.

It is not an unprimeable number, because it can be changed into a prime (1255022633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78438907 + ... + 78438922.

Almost surely, 2^1255022632 is an apocalyptic number.

It is an amenable number.

1255022632 is a deficient number, since it is larger than the sum of its proper divisors (1098144818).

1255022632 is a wasteful number, since it uses less digits than its factorization.

1255022632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156877835 (or 156877831 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1255022632 is about 35426.2985929944. The cubic root of 1255022632 is about 1078.6582079047.

The spelling of 1255022632 in words is "one billion, two hundred fifty-five million, twenty-two thousand, six hundred thirty-two".