1230071 has 2 divisors, whose sum is σ = 1230072. Its totient is φ = 1230070.

The previous prime is 1230067. The next prime is 1230107. The reversal of 1230071 is 1700321.

Together with next prime (1230107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230071 - 2² = 1230067 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615035 + 615036.

It is an arithmetic number, because the mean of its divisors is an integer number (615036).

2^1230071 is an apocalyptic number.

1230071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230071 is an equidigital number, since it uses as much as digits as its factorization.

1230071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 1230071 is about 1109.0856594511. The cubic root of 1230071 is about 107.1461885102.

Adding to 1230071 its reverse (1700321), we get a palindrome (2930392).

The spelling of 1230071 in words is "one million, two hundred thirty thousand, seventy-one".