1230645087 has 24 divisors (see below), whose sum is σ = 2045191200. Its totient is φ = 698500800.

The previous prime is 1230645083. The next prime is 1230645089. The reversal of 1230645087 is 7805460321.

1230645087 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 645 + 0 + 8 + 7 = 666.

It is not a de Polignac number, because 1230645087 - 2² = 1230645083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230645083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56164 + ... + 74937.

It is an arithmetic number, because the mean of its divisors is an integer number (85216300).

Almost surely, 2^1230645087 is an apocalyptic number.

1230645087 is a deficient number, since it is larger than the sum of its proper divisors (814546113).

1230645087 is a wasteful number, since it uses less digits than its factorization.

1230645087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131263 (or 131260 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1230645087 is about 35080.5514067268. The cubic root of 1230645087 is about 1071.6285466660.

The spelling of 1230645087 in words is "one billion, two hundred thirty million, six hundred forty-five thousand, eighty-seven".