1373081 has 2 divisors, whose sum is σ = 1373082. Its totient is φ = 1373080.

The previous prime is 1373059. The next prime is 1373087. The reversal of 1373081 is 1803731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1175056 + 198025 = 1084^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373081 - 2¹⁴ = 1356697 is a prime.

It is a super-2 number, since 2×1373081² = 3770702865122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1373087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686540 + 686541.

It is an arithmetic number, because the mean of its divisors is an integer number (686541).

2^1373081 is an apocalyptic number.

It is an amenable number.

1373081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373081 is an equidigital number, since it uses as much as digits as its factorization.

1373081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1373081 is about 1171.7853899072. The cubic root of 1373081 is about 111.1472493191.

The spelling of 1373081 in words is "one million, three hundred seventy-three thousand, eighty-one".