1065234987 has 12 divisors (see below), whose sum is σ = 1539001464. Its totient is φ = 710004960.

The previous prime is 1065234971. The next prime is 1065235021. The reversal of 1065234987 is 7894325601.

1065234987 is a `hidden beast` number, since 1 + 0 + 6 + 523 + 49 + 87 = 666.

1065234987 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1065234987 - 2⁴ = 1065234971 is a prime.

It is a super-2 number, since 2×1065234987² = 2269451155057780338, which contains 22 as substring.

1065234987 is strictly pandigital in base 10.

It is not an unprimeable number, because it can be changed into a prime (1065234187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46287 + ... + 65367.

It is an arithmetic number, because the mean of its divisors is an integer number (128250122).

It is a 1-persistent number, because it is pandigital, but 2⋅1065234987 = 2130469974 is not.

It is a vampire number, since it can be written as 18609 ⋅ 57243 (with its own digits).

Almost surely, 2^1065234987 is an apocalyptic number.

1065234987 is a deficient number, since it is larger than the sum of its proper divisors (473766477).

1065234987 is a wasteful number, since it uses less digits than its factorization.

1065234987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25290 (or 25287 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1065234987 is about 32637.9378484610. The cubic root of 1065234987 is about 1021.2885761723.

The spelling of 1065234987 in words is "one billion, sixty-five million, two hundred thirty-four thousand, nine hundred eighty-seven".