1086954961 has 3 divisors (see below), whose sum is σ = 1086987931. Its totient is φ = 1086921992.

The previous prime is 1086954949. The next prime is 1086954971. The reversal of 1086954961 is 1694596801.

The square root of 1086954961 is 32969.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 406788561 + 680166400 = 20169^2 + 26080^2 .

It is not a de Polignac number, because 1086954961 - 2⁵ = 1086954929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1086954941) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 16485 + ... + 49453.

Almost surely, 2^1086954961 is an apocalyptic number.

1086954961 is the 32969-th square number.

1086954961 is the 16485-th centered octagonal number.

It is an amenable number.

1086954961 is a deficient number, since it is larger than the sum of its proper divisors (32970).

1086954961 is an frugal number, since it uses more digits than its factorization.

1086954961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65938 (or 32969 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The cubic root of 1086954961 is about 1028.1832305855.

Multiplying 1086954961 by its sum of digits (49), we get a square (53260793089 = 230783²).

The spelling of 1086954961 in words is "one billion, eighty-six million, nine hundred fifty-four thousand, nine hundred sixty-one".