1192121 has 6 divisors (see below), whose sum is σ = 1386810. Its totient is φ = 1021776.

The previous prime is 1192109. The next prime is 1192127. The reversal of 1192121 is 1212911.

It can be written as a sum of positive squares in only one way, i.e., 1132096 + 60025 = 1064^2 + 245^2 .

It is not a de Polignac number, because 1192121 - 2¹⁰ = 1191097 is a prime.

It is a Duffinian number.

1192121 is a modest number, since divided by 2121 gives 119 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1192121.

It is not an unprimeable number, because it can be changed into a prime (1192127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12116 + ... + 12213.

It is an arithmetic number, because the mean of its divisors is an integer number (231135).

2^1192121 is an apocalyptic number.

It is an amenable number.

1192121 is a deficient number, since it is larger than the sum of its proper divisors (194689).

1192121 is an equidigital number, since it uses as much as digits as its factorization.

1192121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24343 (or 24336 counting only the distinct ones).

The product of its digits is 36, while the sum is 17.

The square root of 1192121 is about 1091.8429374228. The cubic root of 1192121 is about 106.0327714028.

The spelling of 1192121 in words is "one million, one hundred ninety-two thousand, one hundred twenty-one".