1150723101 has 16 divisors (see below), whose sum is σ = 1675729728. Its totient is φ = 696595200.

The previous prime is 1150723061. The next prime is 1150723111. The reversal of 1150723101 is 1013270511.

It is a happy number.

It is not a de Polignac number, because 1150723101 - 2⁹ = 1150722589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150723111) 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 15 ways as a sum of consecutive naturals, for example, 9061 + ... + 48821.

It is an arithmetic number, because the mean of its divisors is an integer number (104733108).

Almost surely, 2^1150723101 is an apocalyptic number.

1150723101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1150723101 is a deficient number, since it is larger than the sum of its proper divisors (525006627).

1150723101 is a wasteful number, since it uses less digits than its factorization.

1150723101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40652.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 1150723101 is about 33922.3097827963. The cubic root of 1150723101 is about 1047.9090971233.

Adding to 1150723101 its reverse (1013270511), we get a palindrome (2163993612).

The spelling of 1150723101 in words is "one billion, one hundred fifty million, seven hundred twenty-three thousand, one hundred one".