1366031 has 2 divisors, whose sum is σ = 1366032. Its totient is φ = 1366030.

The previous prime is 1366021. The next prime is 1366087. The reversal of 1366031 is 1306631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1366031 is a prime.

It is a super-2 number, since 2×1366031² = 3732081385922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1365994 and 1366012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1366021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683015 + 683016.

It is an arithmetic number, because the mean of its divisors is an integer number (683016).

2^1366031 is an apocalyptic number.

1366031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366031 is an equidigital number, since it uses as much as digits as its factorization.

1366031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1366031 is about 1168.7732885380. The cubic root of 1366031 is about 110.9566965789.

The spelling of 1366031 in words is "one million, three hundred sixty-six thousand, thirty-one".