1098967 has 2 divisors, whose sum is σ = 1098968. Its totient is φ = 1098966.

The previous prime is 1098953. The next prime is 1098973. The reversal of 1098967 is 7698901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1098967 - 2¹¹ = 1096919 is a prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549483 + 549484.

It is an arithmetic number, because the mean of its divisors is an integer number (549484).

2^1098967 is an apocalyptic number.

1098967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098967 is an equidigital number, since it uses as much as digits as its factorization.

1098967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 1098967 is about 1048.3162690715. The cubic root of 1098967 is about 103.1956879295.

The spelling of 1098967 in words is "one million, ninety-eight thousand, nine hundred sixty-seven".