1061964287 has 8 divisors (see below), whose sum is σ = 1075029120. Its totient is φ = 1048924800.

The previous prime is 1061964229. The next prime is 1061964301. The reversal of 1061964287 is 7824691601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061964287 is a prime.

It is a super-2 number, since 2×1061964287² = 2255536293726836738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061964227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86162 + ... + 97712.

It is an arithmetic number, because the mean of its divisors is an integer number (134378640).

Almost surely, 2^1061964287 is an apocalyptic number.

1061964287 is a deficient number, since it is larger than the sum of its proper divisors (13064833).

1061964287 is a wasteful number, since it uses less digits than its factorization.

1061964287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12673.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1061964287 is about 32587.7935276385. The cubic root of 1061964287 is about 1020.2422489463.

The spelling of 1061964287 in words is "one billion, sixty-one million, nine hundred sixty-four thousand, two hundred eighty-seven".