1001201137 has 2 divisors, whose sum is σ = 1001201138. Its totient is φ = 1001201136.

The previous prime is 1001201101. The next prime is 1001201171. The reversal of 1001201137 is 7311021001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 763085376 + 238115761 = 27624^2 + 15431^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001201137 - 2²⁷ = 866983409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001201137.

It is not a weakly prime, because it can be changed into another prime (1001201197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500600568 + 500600569.

It is an arithmetic number, because the mean of its divisors is an integer number (500600569).

Almost surely, 2^1001201137 is an apocalyptic number.

It is an amenable number.

1001201137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001201137 is an equidigital number, since it uses as much as digits as its factorization.

1001201137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 1001201137 is about 31641.7625457243. The cubic root of 1001201137 is about 1000.4002188035.

Adding to 1001201137 its reverse (7311021001), we get a palindrome (8312222138).

The spelling of 1001201137 in words is "one billion, one million, two hundred one thousand, one hundred thirty-seven".