1200110137 has 2 divisors, whose sum is σ = 1200110138. Its totient is φ = 1200110136.

The previous prime is 1200110117. The next prime is 1200110141. The reversal of 1200110137 is 7310110021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1024256016 + 175854121 = 32004^2 + 13261^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200110137 - 2²⁷ = 1065892409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200110137.

It is not a weakly prime, because it can be changed into another prime (1200110117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600055068 + 600055069.

It is an arithmetic number, because the mean of its divisors is an integer number (600055069).

Almost surely, 2^1200110137 is an apocalyptic number.

It is an amenable number.

1200110137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200110137 is an equidigital number, since it uses as much as digits as its factorization.

1200110137 is an evil number, because the sum of its binary digits is even.

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

The square root of 1200110137 is about 34642.6058055684. The cubic root of 1200110137 is about 1062.6910787511.

Adding to 1200110137 its reverse (7310110021), we get a palindrome (8510220158).

The spelling of 1200110137 in words is "one billion, two hundred million, one hundred ten thousand, one hundred thirty-seven".