1371229 has 2 divisors, whose sum is σ = 1371230. Its totient is φ = 1371228.

The previous prime is 1371217. The next prime is 1371259. The reversal of 1371229 is 9221731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1232100 + 139129 = 1110^2 + 373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1371229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1371259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685614 + 685615.

It is an arithmetic number, because the mean of its divisors is an integer number (685615).

2^1371229 is an apocalyptic number.

It is an amenable number.

1371229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371229 is an equidigital number, since it uses as much as digits as its factorization.

1371229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 25.

The square root of 1371229 is about 1170.9948761630. The cubic root of 1371229 is about 111.0972553463.

It can be divided in two parts, 1371 and 229, that added together give a square (1600 = 40²).

The spelling of 1371229 in words is "one million, three hundred seventy-one thousand, two hundred twenty-nine".