1066254271 has 8 divisors (see below), whose sum is σ = 1108268784. Its totient is φ = 1024934400.

The previous prime is 1066254257. The next prime is 1066254283. The reversal of 1066254271 is 1724526601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1066254271 - 2⁵ = 1066254239 is a prime.

It is a super-2 number, since 2×1066254271² = 2273796340851482882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066255271) 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, 170530 + ... + 176671.

It is an arithmetic number, because the mean of its divisors is an integer number (138533598).

Almost surely, 2^1066254271 is an apocalyptic number.

1066254271 is a deficient number, since it is larger than the sum of its proper divisors (42014513).

1066254271 is an equidigital number, since it uses as much as digits as its factorization.

1066254271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347321.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1066254271 is about 32653.5491332872. The cubic root of 1066254271 is about 1021.6142167643.

The spelling of 1066254271 in words is "one billion, sixty-six million, two hundred fifty-four thousand, two hundred seventy-one".