1712127140 has 24 divisors (see below), whose sum is σ = 3598310520. Its totient is φ = 684309248.

The previous prime is 1712127127. The next prime is 1712127149. The reversal of 1712127140 is 417212171.

It can be written as a sum of positive squares in 4 ways, for example, as 246615616 + 1465511524 = 15704^2 + 38282^2 .

It is not an unprimeable number, because it can be changed into a prime (1712127149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7427 + ... + 58986.

It is an arithmetic number, because the mean of its divisors is an integer number (149929605).

Almost surely, 2^1712127140 is an apocalyptic number.

1712127140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1712127140 is an abundant number, since it is smaller than the sum of its proper divisors (1886183380).

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

1712127140 is a wasteful number, since it uses less digits than its factorization.

1712127140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67711 (or 67709 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 1712127140 is about 41377.8580885961. The cubic root of 1712127140 is about 1196.3144188502.

It can be divided in two parts, 1712 and 127140, that multiplied together give a triangular number (217663680 = T₂₀₈₆₄).

The spelling of 1712127140 in words is "one billion, seven hundred twelve million, one hundred twenty-seven thousand, one hundred forty".