1101242437 has 2 divisors, whose sum is σ = 1101242438. Its totient is φ = 1101242436.

The previous prime is 1101242381. The next prime is 1101242459. The reversal of 1101242437 is 7342421011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1037226436 + 64016001 = 32206^2 + 8001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101242437 - 2¹¹ = 1101240389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101242537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550621218 + 550621219.

It is an arithmetic number, because the mean of its divisors is an integer number (550621219).

Almost surely, 2^1101242437 is an apocalyptic number.

It is an amenable number.

1101242437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101242437 is an equidigital number, since it uses as much as digits as its factorization.

1101242437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1101242437 is about 33184.9730601066. The cubic root of 1101242437 is about 1032.6686186201.

Adding to 1101242437 its reverse (7342421011), we get a palindrome (8443663448).

The spelling of 1101242437 in words is "one billion, one hundred one million, two hundred forty-two thousand, four hundred thirty-seven".