1161498 has 16 divisors (see below), whose sum is σ = 2501856. Its totient is φ = 357360.

The previous prime is 1161497. The next prime is 1161499. The reversal of 1161498 is 8941611.

It is an interprime number because it is at equal distance from previous prime (1161497) and next prime (1161499).

It is not an unprimeable number, because it can be changed into a prime (1161493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7368 + ... + 7523.

It is an arithmetic number, because the mean of its divisors is an integer number (156366).

2^1161498 is an apocalyptic number.

1161498 is an abundant number, since it is smaller than the sum of its proper divisors (1340358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161498 is a wasteful number, since it uses less digits than its factorization.

1161498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14909.

The product of its digits is 1728, while the sum is 30.

The square root of 1161498 is about 1077.7281660976. The cubic root of 1161498 is about 105.1169671590.

The spelling of 1161498 in words is "one million, one hundred sixty-one thousand, four hundred ninety-eight".