1150331401 has 4 divisors (see below), whose sum is σ = 1217997972. Its totient is φ = 1082664832.

The previous prime is 1150331387. The next prime is 1150331419. The reversal of 1150331401 is 1041330511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1008697600 + 141633801 = 31760^2 + 11901^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150331401 - 2¹¹ = 1150329353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1150331431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33833260 + ... + 33833293.

It is an arithmetic number, because the mean of its divisors is an integer number (304499493).

Almost surely, 2^1150331401 is an apocalyptic number.

It is an amenable number.

1150331401 is a deficient number, since it is larger than the sum of its proper divisors (67666571).

1150331401 is an equidigital number, since it uses as much as digits as its factorization.

1150331401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67666570.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1150331401 is about 33916.5358048254. The cubic root of 1150331401 is about 1047.7901827424.

Adding to 1150331401 its reverse (1041330511), we get a palindrome (2191661912).

The spelling of 1150331401 in words is "one billion, one hundred fifty million, three hundred thirty-one thousand, four hundred one".