1230907 has 2 divisors, whose sum is σ = 1230908. Its totient is φ = 1230906.

The previous prime is 1230881. The next prime is 1230913. The reversal of 1230907 is 7090321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230907 is a prime.

It is an alternating number because its digits alternate between odd and even.

1230907 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1230967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615453 + 615454.

It is an arithmetic number, because the mean of its divisors is an integer number (615454).

2^1230907 is an apocalyptic number.

1230907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230907 is an equidigital number, since it uses as much as digits as its factorization.

1230907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1230907 is about 1109.4624824662. The cubic root of 1230907 is about 107.1704564667.

The spelling of 1230907 in words is "one million, two hundred thirty thousand, nine hundred seven".