1150542101 has 4 divisors (see below), whose sum is σ = 1151678892. Its totient is φ = 1149405312.

The previous prime is 1150542097. The next prime is 1150542137. The reversal of 1150542101 is 1012450511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1012450511 = 19 ⋅53286869.

It can be written as a sum of positive squares in 2 ways, for example, as 135163876 + 1015378225 = 11626^2 + 31865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150542101 - 2² = 1150542097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150542161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566876 + ... + 568901.

It is an arithmetic number, because the mean of its divisors is an integer number (287919723).

Almost surely, 2^1150542101 is an apocalyptic number.

It is an amenable number.

1150542101 is a deficient number, since it is larger than the sum of its proper divisors (1136791).

1150542101 is a wasteful number, since it uses less digits than its factorization.

1150542101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136790.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1150542101 is about 33919.6418170947. The cubic root of 1150542101 is about 1047.8541515296.

Adding to 1150542101 its reverse (1012450511), we get a palindrome (2162992612).

The spelling of 1150542101 in words is "one billion, one hundred fifty million, five hundred forty-two thousand, one hundred one".