1373129 has 2 divisors, whose sum is σ = 1373130. Its totient is φ = 1373128.

The previous prime is 1373087. The next prime is 1373137. The reversal of 1373129 is 9213731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1317904 + 55225 = 1148^2 + 235^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373129 - 2¹² = 1369033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1373098 and 1373107.

It is not a weakly prime, because it can be changed into another prime (1373159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686564 + 686565.

It is an arithmetic number, because the mean of its divisors is an integer number (686565).

2^1373129 is an apocalyptic number.

It is an amenable number.

1373129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373129 is an equidigital number, since it uses as much as digits as its factorization.

1373129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 26.

The square root of 1373129 is about 1171.8058712944. The cubic root of 1373129 is about 111.1485444614.

The spelling of 1373129 in words is "one million, three hundred seventy-three thousand, one hundred twenty-nine".