1201242337 has 2 divisors, whose sum is σ = 1201242338. Its totient is φ = 1201242336.

The previous prime is 1201242311. The next prime is 1201242347. The reversal of 1201242337 is 7332421021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 736796736 + 464445601 = 27144^2 + 21551^2 .

It is an emirp because it is prime and its reverse (7332421021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201242337 - 2⁷ = 1201242209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201242347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600621168 + 600621169.

It is an arithmetic number, because the mean of its divisors is an integer number (600621169).

Almost surely, 2^1201242337 is an apocalyptic number.

It is an amenable number.

1201242337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201242337 is an equidigital number, since it uses as much as digits as its factorization.

1201242337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1201242337 is about 34658.9431027549. The cubic root of 1201242337 is about 1063.0251593868.

Adding to 1201242337 its reverse (7332421021), we get a palindrome (8533663358).

The spelling of 1201242337 in words is "one billion, two hundred one million, two hundred forty-two thousand, three hundred thirty-seven".