1151322001 has 2 divisors, whose sum is σ = 1151322002. Its totient is φ = 1151322000.

The previous prime is 1151321993. The next prime is 1151322019. The reversal of 1151322001 is 1002231511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1141088400 + 10233601 = 33780^2 + 3199^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151322001 - 2³ = 1151321993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151322071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575661000 + 575661001.

It is an arithmetic number, because the mean of its divisors is an integer number (575661001).

Almost surely, 2^1151322001 is an apocalyptic number.

It is an amenable number.

1151322001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151322001 is an equidigital number, since it uses as much as digits as its factorization.

1151322001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1151322001 is about 33931.1361584018. The cubic root of 1151322001 is about 1048.0908622271.

Adding to 1151322001 its reverse (1002231511), we get a palindrome (2153553512).

The spelling of 1151322001 in words is "one billion, one hundred fifty-one million, three hundred twenty-two thousand, one".