1199961 has 24 divisors (see below), whose sum is σ = 2070240. Its totient is φ = 684936.

The previous prime is 1199953. The next prime is 1199969. The reversal of 1199961 is 1699911.

It is an interprime number because it is at equal distance from previous prime (1199953) and next prime (1199969).

It is not a de Polignac number, because 1199961 - 2³ = 1199953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1199969) 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, 870 + ... + 1776.

It is an arithmetic number, because the mean of its divisors is an integer number (86260).

2^1199961 is an apocalyptic number.

It is an amenable number.

1199961 is a deficient number, since it is larger than the sum of its proper divisors (870279).

1199961 is an equidigital number, since it uses as much as digits as its factorization.

1199961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 917 counting only the distinct ones).

The product of its digits is 4374, while the sum is 36.

The square root of 1199961 is about 1095.4273138826. The cubic root of 1199961 is about 106.2647056923.

The spelling of 1199961 in words is "one million, one hundred ninety-nine thousand, nine hundred sixty-one".