1226019 has 8 divisors (see below), whose sum is σ = 1687552. Its totient is φ = 790920.

The previous prime is 1226011. The next prime is 1226041. The reversal of 1226019 is 9106221.

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

It is not a de Polignac number, because 1226019 - 2³ = 1226011 is a prime.

It is a super-2 number, since 2×1226019² = 3006245176722, 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 = 1225986 and 1226004.

It is not an unprimeable number, because it can be changed into a prime (1226011) 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, 6499 + ... + 6684.

It is an arithmetic number, because the mean of its divisors is an integer number (210944).

2^1226019 is an apocalyptic number.

1226019 is a deficient number, since it is larger than the sum of its proper divisors (461533).

1226019 is a wasteful number, since it uses less digits than its factorization.

1226019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13217.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1226019 is about 1107.2574226439. The cubic root of 1226019 is about 107.0284083303.

The spelling of 1226019 in words is "one million, two hundred twenty-six thousand, nineteen".