1271632104 has 48 divisors (see below), whose sum is σ = 3447961920. Its totient is φ = 423390240.

The previous prime is 1271632099. The next prime is 1271632151. The reversal of 1271632104 is 4012361721.

1271632104 is a `hidden beast` number, since 1 + 27 + 1 + 632 + 1 + 0 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55899 + ... + 75285.

It is an arithmetic number, because the mean of its divisors is an integer number (71832540).

Almost surely, 2^1271632104 is an apocalyptic number.

It is an amenable number.

1271632104 is an abundant number, since it is smaller than the sum of its proper divisors (2176329816).

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

1271632104 is a wasteful number, since it uses less digits than its factorization.

1271632104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20310 (or 20303 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1271632104 is about 35659.9509814582. The cubic root of 1271632104 is about 1083.3958339536.

Adding to 1271632104 its reverse (4012361721), we get a palindrome (5283993825).

It can be divided in two parts, 1271 and 632104, that added together give a triangular number (633375 = T₁₁₂₅).

The spelling of 1271632104 in words is "one billion, two hundred seventy-one million, six hundred thirty-two thousand, one hundred four".