1271616070 has 32 divisors (see below), whose sum is σ = 2370189600. Its totient is φ = 490619136.

The previous prime is 1271616029. The next prime is 1271616079. The reversal of 1271616070 is 706161721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271616079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456522 + ... + 459298.

It is an arithmetic number, because the mean of its divisors is an integer number (74068425).

Almost surely, 2^1271616070 is an apocalyptic number.

1271616070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1271616070 is a deficient number, since it is larger than the sum of its proper divisors (1098573530).

1271616070 is a wasteful number, since it uses less digits than its factorization.

1271616070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 1271616070 is about 35659.7261627175. The cubic root of 1271616070 is about 1083.3912804244.

Adding to 1271616070 its reverse (706161721), we get a palindrome (1977777791).

The spelling of 1271616070 in words is "one billion, two hundred seventy-one million, six hundred sixteen thousand, seventy".