1194090385 has 4 divisors (see below), whose sum is σ = 1432908468. Its totient is φ = 955272304.

The previous prime is 1194090383. The next prime is 1194090389. The reversal of 1194090385 is 5830904911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5830904911 = 13 ⋅448531147.

It can be written as a sum of positive squares in 2 ways, for example, as 335365969 + 858724416 = 18313^2 + 29304^2 .

It is a cyclic number.

It is not a de Polignac number, because 1194090385 - 2¹ = 1194090383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1194090383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119409034 + ... + 119409043.

It is an arithmetic number, because the mean of its divisors is an integer number (358227117).

Almost surely, 2^1194090385 is an apocalyptic number.

It is an amenable number.

1194090385 is a deficient number, since it is larger than the sum of its proper divisors (238818083).

1194090385 is an equidigital number, since it uses as much as digits as its factorization.

1194090385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238818082.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1194090385 is about 34555.6129304633. The cubic root of 1194090385 is about 1060.9112802511.

The spelling of 1194090385 in words is "one billion, one hundred ninety-four million, ninety thousand, three hundred eighty-five".