1161310461 has 8 divisors (see below), whose sum is σ = 1548771264. Its totient is φ = 774028320.

The previous prime is 1161310459. The next prime is 1161310463. The reversal of 1161310461 is 1640131611.

It is an interprime number because it is at equal distance from previous prime (1161310459) and next prime (1161310463).

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

It is not a de Polignac number, because 1161310461 - 2¹ = 1161310459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161310463) 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, 28680 + ... + 56081.

It is an arithmetic number, because the mean of its divisors is an integer number (193596408).

Almost surely, 2^1161310461 is an apocalyptic number.

It is an amenable number.

1161310461 is a deficient number, since it is larger than the sum of its proper divisors (387460803).

1161310461 is an equidigital number, since it uses as much as digits as its factorization.

1161310461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89331.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1161310461 is about 34078.0055314275. The cubic root of 1161310461 is about 1051.1130935277.

The spelling of 1161310461 in words is "one billion, one hundred sixty-one million, three hundred ten thousand, four hundred sixty-one".