1379121 has 8 divisors (see below), whose sum is σ = 1878144. Its totient is φ = 899760.

The previous prime is 1379111. The next prime is 1379129. The reversal of 1379121 is 1219731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1379121 - 2⁵ = 1379089 is a prime.

It is a Curzon number.

1379121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1379091 and 1379100.

It is not an unprimeable number, because it can be changed into a prime (1379129) 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, 4750 + ... + 5031.

It is an arithmetic number, because the mean of its divisors is an integer number (234768).

2^1379121 is an apocalyptic number.

It is an amenable number.

1379121 is a deficient number, since it is larger than the sum of its proper divisors (499023).

1379121 is an equidigital number, since it uses as much as digits as its factorization.

1379121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9831.

The product of its digits is 378, while the sum is 24.

The square root of 1379121 is about 1174.3598256071. The cubic root of 1379121 is about 111.3099849046.

The spelling of 1379121 in words is "one million, three hundred seventy-nine thousand, one hundred twenty-one".