1267871010 has 64 divisors (see below), whose sum is σ = 3597523200. Its totient is φ = 279804672.

The previous prime is 1267871009. The next prime is 1267871023. The reversal of 1267871010 is 101787621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98005 + ... + 110184.

It is an arithmetic number, because the mean of its divisors is an integer number (56211300).

Almost surely, 2^1267871010 is an apocalyptic number.

1267871010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1267871010 is an abundant number, since it is smaller than the sum of its proper divisors (2329652190).

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

1267871010 is a wasteful number, since it uses less digits than its factorization.

1267871010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208235.

The product of its (nonzero) digits is 4704, while the sum is 33.

The square root of 1267871010 is about 35607.1763834202. The cubic root of 1267871010 is about 1082.3266627003.

The spelling of 1267871010 in words is "one billion, two hundred sixty-seven million, eight hundred seventy-one thousand, ten".