1182138049 has 16 divisors (see below), whose sum is σ = 1259914320. Its totient is φ = 1107025920.

The previous prime is 1182138019. The next prime is 1182138071. The reversal of 1182138049 is 9408312811.

It can be written as a sum of positive squares in 8 ways, for example, as 41049649 + 1141088400 = 6407^2 + 33780^2 .

It is a cyclic number.

It is not a de Polignac number, because 1182138049 - 2¹⁷ = 1182006977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a deceptive number, since it divides R_1182138048.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1182137999 and 1182138017.

It is not an unprimeable number, because it can be changed into a prime (1182138019) 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, 377209 + ... + 380329.

It is an arithmetic number, because the mean of its divisors is an integer number (78744645).

Almost surely, 2^1182138049 is an apocalyptic number.

It is an amenable number.

1182138049 is a deficient number, since it is larger than the sum of its proper divisors (77776271).

1182138049 is a wasteful number, since it uses less digits than its factorization.

1182138049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1182138049 is about 34382.2344969026. The cubic root of 1182138049 is about 1057.3596470132.

The spelling of 1182138049 in words is "one billion, one hundred eighty-two million, one hundred thirty-eight thousand, forty-nine".