1212479 has 2 divisors, whose sum is σ = 1212480. Its totient is φ = 1212478.

The previous prime is 1212473. The next prime is 1212487. The reversal of 1212479 is 9742121.

It is a weak prime.

It is an emirp because it is prime and its reverse (9742121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606239 + 606240.

It is an arithmetic number, because the mean of its divisors is an integer number (606240).

2^1212479 is an apocalyptic number.

1212479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212479 is an equidigital number, since it uses as much as digits as its factorization.

1212479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 1212479 is about 1101.1262416272. The cubic root of 1212479 is about 106.6329461553.

The spelling of 1212479 in words is "one million, two hundred twelve thousand, four hundred seventy-nine".