1152420118 has 4 divisors (see below), whose sum is σ = 1728630180. Its totient is φ = 576210058.

The previous prime is 1152420047. The next prime is 1152420127. The reversal of 1152420118 is 8110242511.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1152420118² = 2656144256742267848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1152420092 and 1152420101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288105028 + ... + 288105031.

It is an arithmetic number, because the mean of its divisors is an integer number (432157545).

Almost surely, 2^1152420118 is an apocalyptic number.

1152420118 is a deficient number, since it is larger than the sum of its proper divisors (576210062).

1152420118 is an equidigital number, since it uses as much as digits as its factorization.

1152420118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576210061.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1152420118 is about 33947.3138554437. The cubic root of 1152420118 is about 1048.4239751393.

Adding to 1152420118 its reverse (8110242511), we get a palindrome (9262662629).

The spelling of 1152420118 in words is "one billion, one hundred fifty-two million, four hundred twenty thousand, one hundred eighteen".