1213019 has 2 divisors, whose sum is σ = 1213020. Its totient is φ = 1213018.

The previous prime is 1213007. The next prime is 1213021. The reversal of 1213019 is 9103121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213019 - 2²⁰ = 164443 is a prime.

It is a super-2 number, since 2×1213019² = 2942830188722, which contains 22 as substring.

Together with 1213021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212988 and 1213006.

It is not a weakly prime, because it can be changed into another prime (1213049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606509 + 606510.

It is an arithmetic number, because the mean of its divisors is an integer number (606510).

2^1213019 is an apocalyptic number.

1213019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213019 is an equidigital number, since it uses as much as digits as its factorization.

1213019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1213019 is about 1101.3714178242. The cubic root of 1213019 is about 106.6487741256.

It can be divided in two parts, 12 and 13019, that added together give a palindrome (13031).

The spelling of 1213019 in words is "one million, two hundred thirteen thousand, nineteen".