1245331 has 2 divisors, whose sum is σ = 1245332. Its totient is φ = 1245330.

The previous prime is 1245281. The next prime is 1245353. The reversal of 1245331 is 1335421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1245331 - 2⁹ = 1244819 is a prime.

It is a super-2 number, since 2×1245331² = 3101698599122, 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 = 1245299 and 1245308.

It is not a weakly prime, because it can be changed into another prime (1246331) 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, 622665 + 622666.

It is an arithmetic number, because the mean of its divisors is an integer number (622666).

2^1245331 is an apocalyptic number.

1245331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245331 is an equidigital number, since it uses as much as digits as its factorization.

1245331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 19.

The square root of 1245331 is about 1115.9439950105. The cubic root of 1245331 is about 107.5874464240.

The spelling of 1245331 in words is "one million, two hundred forty-five thousand, three hundred thirty-one".