1101389141 has 2 divisors, whose sum is σ = 1101389142. Its totient is φ = 1101389140.

The previous prime is 1101389137. The next prime is 1101389161. The reversal of 1101389141 is 1419831011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620508100 + 480881041 = 24910^2 + 21929^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101389141 - 2² = 1101389137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101389161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550694570 + 550694571.

It is an arithmetic number, because the mean of its divisors is an integer number (550694571).

Almost surely, 2^1101389141 is an apocalyptic number.

It is an amenable number.

1101389141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101389141 is an equidigital number, since it uses as much as digits as its factorization.

1101389141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 29.

The square root of 1101389141 is about 33187.1833845537. The cubic root of 1101389141 is about 1032.7144728556.

The spelling of 1101389141 in words is "one billion, one hundred one million, three hundred eighty-nine thousand, one hundred forty-one".