1016257 has 4 divisors (see below), whose sum is σ = 1108656. Its totient is φ = 923860.

The previous prime is 1016237. The next prime is 1016263. The reversal of 1016257 is 7526101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7526101 = 11 ⋅684191.

It is a cyclic number.

It is not a de Polignac number, because 1016257 - 2¹⁹ = 491969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016227) 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, 46183 + ... + 46204.

It is an arithmetic number, because the mean of its divisors is an integer number (277164).

2^1016257 is an apocalyptic number.

It is an amenable number.

1016257 is a deficient number, since it is larger than the sum of its proper divisors (92399).

1016257 is an equidigital number, since it uses as much as digits as its factorization.

1016257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92398.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1016257 is about 1008.0957295813. The cubic root of 1016257 is about 100.5389896818.

The spelling of 1016257 in words is "one million, sixteen thousand, two hundred fifty-seven".