1161495 has 24 divisors (see below), whose sum is σ = 2055456. Its totient is φ = 606528.

The previous prime is 1161493. The next prime is 1161497. The reversal of 1161495 is 5941611.

It is an interprime number because it is at equal distance from previous prime (1161493) and next prime (1161497).

It is not a de Polignac number, because 1161495 - 2¹ = 1161493 is a prime.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2142 + ... + 2628.

It is an arithmetic number, because the mean of its divisors is an integer number (85644).

2^1161495 is an apocalyptic number.

1161495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1161495 is a deficient number, since it is larger than the sum of its proper divisors (893961).

1161495 is a wasteful number, since it uses less digits than its factorization.

1161495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 548 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 1161495 is about 1077.7267742800. The cubic root of 1161495 is about 105.1168766578.

The spelling of 1161495 in words is "one million, one hundred sixty-one thousand, four hundred ninety-five".