1180138242 has 8 divisors (see below), whose sum is σ = 2360276496. Its totient is φ = 393379412.

The previous prime is 1180138207. The next prime is 1180138277. The reversal of 1180138242 is 2428310811.

It is an interprime number because it is at equal distance from previous prime (1180138207) and next prime (1180138277).

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

1180138242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98344848 + ... + 98344859.

It is an arithmetic number, because the mean of its divisors is an integer number (295034562).

Almost surely, 2^1180138242 is an apocalyptic number.

1180138242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1180138242 is a wasteful number, since it uses less digits than its factorization.

1180138242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196689712.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 1180138242 is about 34353.1402058094. The cubic root of 1180138242 is about 1056.7630701264.

The spelling of 1180138242 in words is "one billion, one hundred eighty million, one hundred thirty-eight thousand, two hundred forty-two".