1121419 has 4 divisors (see below), whose sum is σ = 1207696. Its totient is φ = 1035144.

The previous prime is 1121389. The next prime is 1121423. The reversal of 1121419 is 9141211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9141211 = 281 ⋅32531.

It is a cyclic number.

It is not a de Polignac number, because 1121419 - 2⁵ = 1121387 is a prime.

It is a super-2 number, since 2×1121419² = 2515161147122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121396 and 1121405.

It is not an unprimeable number, because it can be changed into a prime (1121819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43119 + ... + 43144.

It is an arithmetic number, because the mean of its divisors is an integer number (301924).

2^1121419 is an apocalyptic number.

1121419 is a deficient number, since it is larger than the sum of its proper divisors (86277).

1121419 is an equidigital number, since it uses as much as digits as its factorization.

1121419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86276.

The product of its digits is 72, while the sum is 19.

The square root of 1121419 is about 1058.9707266964. The cubic root of 1121419 is about 103.8937215584.

It can be divided in two parts, 1121 and 419, that added together give a triangular number (1540 = T₅₅).

The spelling of 1121419 in words is "one million, one hundred twenty-one thousand, four hundred nineteen".