1200645224087 has 2 divisors, whose sum is σ = 1200645224088. Its totient is φ = 1200645224086.

The previous prime is 1200645224083. The next prime is 1200645224099. The reversal of 1200645224087 is 7804225460021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200645224087 - 2² = 1200645224083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200645224083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600322612043 + 600322612044.

It is an arithmetic number, because the mean of its divisors is an integer number (600322612044).

Almost surely, 2^{1200645224087} is an apocalyptic number.

1200645224087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200645224087 is an equidigital number, since it uses as much as digits as its factorization.

1200645224087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 1200645224087 in words is "one trillion, two hundred billion, six hundred forty-five million, two hundred twenty-four thousand, eighty-seven".