1185974049 has 16 divisors (see below), whose sum is σ = 1708765632. Its totient is φ = 727332288.

The previous prime is 1185974011. The next prime is 1185974051. The reversal of 1185974049 is 9404795811.

It is not a de Polignac number, because 1185974049 - 2¹³ = 1185965857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1185973989 and 1185974007.

It is not an unprimeable number, because it can be changed into a prime (1185974849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40467 + ... + 63320.

It is an arithmetic number, because the mean of its divisors is an integer number (106797852).

Almost surely, 2^1185974049 is an apocalyptic number.

It is an amenable number.

1185974049 is a deficient number, since it is larger than the sum of its proper divisors (522791583).

1185974049 is a wasteful number, since it uses less digits than its factorization.

1185974049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104096.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 1185974049 is about 34437.9739386625. The cubic root of 1185974049 is about 1058.5021115137.

The spelling of 1185974049 in words is "one billion, one hundred eighty-five million, nine hundred seventy-four thousand, forty-nine".