1150420027 has 4 divisors (see below), whose sum is σ = 1150549200. Its totient is φ = 1150290856.

The previous prime is 1150420009. The next prime is 1150420031. The reversal of 1150420027 is 7200240511.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1150420027 - 2¹⁹ = 1149895739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1150420127) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 50152 + ... + 69397.

It is an arithmetic number, because the mean of its divisors is an integer number (287637300).

Almost surely, 2^1150420027 is an apocalyptic number.

1150420027 is a deficient number, since it is larger than the sum of its proper divisors (129173).

1150420027 is an equidigital number, since it uses as much as digits as its factorization.

1150420027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129172.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 1150420027 is about 33917.8423105008. The cubic root of 1150420027 is about 1047.8170906601.

Adding to 1150420027 its reverse (7200240511), we get a palindrome (8350660538).

The spelling of 1150420027 in words is "one billion, one hundred fifty million, four hundred twenty thousand, twenty-seven".