1016749 has 2 divisors, whose sum is σ = 1016750. Its totient is φ = 1016748.

The previous prime is 1016737. The next prime is 1016773. The reversal of 1016749 is 9476101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1010025 + 6724 = 1005^2 + 82^2 .

It is an emirp because it is prime and its reverse (9476101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1016749 - 2⁷ = 1016621 is a prime.

It is an alternating number because its digits alternate between odd and even.

1016749 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508374 + 508375.

It is an arithmetic number, because the mean of its divisors is an integer number (508375).

2^1016749 is an apocalyptic number.

It is an amenable number.

1016749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016749 is an equidigital number, since it uses as much as digits as its factorization.

1016749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1016749 is about 1008.3397244977. The cubic root of 1016749 is about 100.5552116948. Note that the first 3 decimals are identical.

The spelling of 1016749 in words is "one million, sixteen thousand, seven hundred forty-nine".