1051966 has 4 divisors (see below), whose sum is σ = 1577952. Its totient is φ = 525982.

The previous prime is 1051961. The next prime is 1051979. The reversal of 1051966 is 6691501.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1051966² = 2213264930312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262990 + ... + 262993.

It is an arithmetic number, because the mean of its divisors is an integer number (394488).

2^1051966 is an apocalyptic number.

1051966 is a deficient number, since it is larger than the sum of its proper divisors (525986).

1051966 is an equidigital number, since it uses as much as digits as its factorization.

1051966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525985.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1051966 is about 1025.6539377392. The cubic root of 1051966 is about 101.7030321698.

It can be divided in two parts, 10519 and 66, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 1051966 in words is "one million, fifty-one thousand, nine hundred sixty-six".