1090684961 has 8 divisors (see below), whose sum is σ = 1124924544. Its totient is φ = 1056905200.

The previous prime is 1090684939. The next prime is 1090684967. The reversal of 1090684961 is 1694860901.

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

It is a cyclic number.

It is not a de Polignac number, because 1090684961 - 2¹⁴ = 1090668577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090684967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110135 + ... + 119628.

It is an arithmetic number, because the mean of its divisors is an integer number (140615568).

Almost surely, 2^1090684961 is an apocalyptic number.

It is an amenable number.

1090684961 is a deficient number, since it is larger than the sum of its proper divisors (34239583).

1090684961 is a wasteful number, since it uses less digits than its factorization.

1090684961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229911.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 1090684961 is about 33025.5198445081. The cubic root of 1090684961 is about 1029.3579940473.

The spelling of 1090684961 in words is "one billion, ninety million, six hundred eighty-four thousand, nine hundred sixty-one".