1201440937 has 2 divisors, whose sum is σ = 1201440938. Its totient is φ = 1201440936.

The previous prime is 1201440923. The next prime is 1201440953. The reversal of 1201440937 is 7390441021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 959202841 + 242238096 = 30971^2 + 15564^2 .

It is an emirp because it is prime and its reverse (7390441021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201440937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201440899 and 1201440908.

It is not a weakly prime, because it can be changed into another prime (1201410937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600720468 + 600720469.

It is an arithmetic number, because the mean of its divisors is an integer number (600720469).

Almost surely, 2^1201440937 is an apocalyptic number.

It is an amenable number.

1201440937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201440937 is an equidigital number, since it uses as much as digits as its factorization.

1201440937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1201440937 is about 34661.8080457439. The cubic root of 1201440937 is about 1063.0837390635.

Adding to 1201440937 its reverse (7390441021), we get a palindrome (8591881958).

The spelling of 1201440937 in words is "one billion, two hundred one million, four hundred forty thousand, nine hundred thirty-seven".