1213324087 has 2 divisors, whose sum is σ = 1213324088. Its totient is φ = 1213324086.

The previous prime is 1213324081. The next prime is 1213324117. The reversal of 1213324087 is 7804233121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213324087 - 2¹⁵ = 1213291319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213324081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606662043 + 606662044.

It is an arithmetic number, because the mean of its divisors is an integer number (606662044).

Almost surely, 2^1213324087 is an apocalyptic number.

1213324087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213324087 is an equidigital number, since it uses as much as digits as its factorization.

1213324087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1213324087 is about 34832.8018827082. The cubic root of 1213324087 is about 1066.5771447113.

The spelling of 1213324087 in words is "one billion, two hundred thirteen million, three hundred twenty-four thousand, eighty-seven".