1271673902 has 12 divisors (see below), whose sum is σ = 1932337680. Its totient is φ = 627567096.

The previous prime is 1271673883. The next prime is 1271673913. The reversal of 1271673902 is 2093761721.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 446828 + ... + 449664.

It is an arithmetic number, because the mean of its divisors is an integer number (161028140).

Almost surely, 2^1271673902 is an apocalyptic number.

1271673902 is a deficient number, since it is larger than the sum of its proper divisors (660663778).

1271673902 is an frugal number, since it uses more digits than its factorization.

1271673902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5755 (or 2918 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 1271673902 is about 35660.5370402634. The cubic root of 1271673902 is about 1083.4077040751.

The spelling of 1271673902 in words is "one billion, two hundred seventy-one million, six hundred seventy-three thousand, nine hundred two".