1161310084 has 27 divisors (see below), whose sum is σ = 2235285381. Its totient is φ = 527527440.

The previous prime is 1161310081. The next prime is 1161310109. The reversal of 1161310084 is 4800131611.

It is a happy number.

The square root of 1161310084 is 34078.

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

It can be written as a sum of positive squares in only one way, i.e., 392911684 + 768398400 = 19822^2 + 27720^2 .

It is a super-2 number, since 2×1161310084² = 2697282222400174112, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161310081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 748942 + ... + 750490.

Almost surely, 2^1161310084 is an apocalyptic number.

1161310084 is the 34078-th square number.

It is an amenable number.

1161310084 is a deficient number, since it is larger than the sum of its proper divisors (1073975297).

1161310084 is an equidigital number, since it uses as much as digits as its factorization.

1161310084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The cubic root of 1161310084 is about 1051.1129797856.

Multiplying 1161310084 by its sum of digits (25), we get a square (29032752100 = 170390²).

Multiplying 1161310084 by its product of nonzero digits (576), we get a square (668914608384 = 817872²).

Adding to 1161310084 its reverse (4800131611), we get a palindrome (5961441695).

The spelling of 1161310084 in words is "one billion, one hundred sixty-one million, three hundred ten thousand, eighty-four".