1361929 has 2 divisors, whose sum is σ = 1361930. Its totient is φ = 1361928.

The previous prime is 1361911. The next prime is 1361953. The reversal of 1361929 is 9291631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 906304 + 455625 = 952^2 + 675^2 .

It is an emirp because it is prime and its reverse (9291631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1361929 - 2⁹ = 1361417 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1361929.

It is not a weakly prime, because it can be changed into another prime (1361959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680964 + 680965.

It is an arithmetic number, because the mean of its divisors is an integer number (680965).

2^1361929 is an apocalyptic number.

It is an amenable number.

1361929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361929 is an equidigital number, since it uses as much as digits as its factorization.

1361929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 31.

The square root of 1361929 is about 1167.0171378347. The cubic root of 1361929 is about 110.8455227453.

The spelling of 1361929 in words is "one million, three hundred sixty-one thousand, nine hundred twenty-nine".