1066151 has 4 divisors (see below), whose sum is σ = 1069704. Its totient is φ = 1062600.

The previous prime is 1066141. The next prime is 1066157. The reversal of 1066151 is 1516601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1516601 = 1031 ⋅1471.

It is a cyclic number.

It is not a de Polignac number, because 1066151 - 2¹⁸ = 804007 is a prime.

It is a super-2 number, since 2×1066151² = 2273355909602, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280 + ... + 1941.

It is an arithmetic number, because the mean of its divisors is an integer number (267426).

2^1066151 is an apocalyptic number.

1066151 is a deficient number, since it is larger than the sum of its proper divisors (3553).

1066151 is an equidigital number, since it uses as much as digits as its factorization.

1066151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1066151 is about 1032.5458827578. The cubic root of 1066151 is about 102.1581233222.

The spelling of 1066151 in words is "one million, sixty-six thousand, one hundred fifty-one".