1240322101 has 2 divisors, whose sum is σ = 1240322102. Its totient is φ = 1240322100.

The previous prime is 1240322087. The next prime is 1240322107. The reversal of 1240322101 is 1012230421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 832322500 + 407999601 = 28850^2 + 20199^2 .

It is a cyclic number.

It is not a de Polignac number, because 1240322101 - 2²⁵ = 1206767669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240322107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620161050 + 620161051.

It is an arithmetic number, because the mean of its divisors is an integer number (620161051).

Almost surely, 2^1240322101 is an apocalyptic number.

It is an amenable number.

1240322101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240322101 is an equidigital number, since it uses as much as digits as its factorization.

1240322101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1240322101 is about 35218.2069532224. The cubic root of 1240322101 is about 1074.4300857972.

Adding to 1240322101 its reverse (1012230421), we get a palindrome (2252552522).

The spelling of 1240322101 in words is "one billion, two hundred forty million, three hundred twenty-two thousand, one hundred one".