1230440767 has 2 divisors, whose sum is σ = 1230440768. Its totient is φ = 1230440766.

The previous prime is 1230440719. The next prime is 1230440789. The reversal of 1230440767 is 7670440321.

It is a strong prime.

It is an emirp because it is prime and its reverse (7670440321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230440767 - 2²³ = 1222052159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230440707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615220383 + 615220384.

It is an arithmetic number, because the mean of its divisors is an integer number (615220384).

Almost surely, 2^1230440767 is an apocalyptic number.

1230440767 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230440767 is an equidigital number, since it uses as much as digits as its factorization.

1230440767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 1230440767 is about 35077.6391309335. The cubic root of 1230440767 is about 1071.5692370498.

The spelling of 1230440767 in words is "one billion, two hundred thirty million, four hundred forty thousand, seven hundred sixty-seven".