1045657 has 8 divisors (see below), whose sum is σ = 1094400. Its totient is φ = 998064.

The previous prime is 1045651. The next prime is 1045663. The reversal of 1045657 is 7565401.

1045657 = T₁₅₈ + T₁₅₉ + ... + T₂₁₆.

It is an interprime number because it is at equal distance from previous prime (1045651) and next prime (1045663).

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 1045657 - 2⁷ = 1045529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944 + ... + 2422.

It is an arithmetic number, because the mean of its divisors is an integer number (136800).

2^1045657 is an apocalyptic number.

It is an amenable number.

1045657 is a deficient number, since it is larger than the sum of its proper divisors (48743).

1045657 is an equidigital number, since it uses as much as digits as its factorization.

1045657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1045657 is about 1022.5737137243. The cubic root of 1045657 is about 101.4993083988.

The spelling of 1045657 in words is "one million, forty-five thousand, six hundred fifty-seven".