1101641 has 2 divisors, whose sum is σ = 1101642. Its totient is φ = 1101640.

The previous prime is 1101619. The next prime is 1101649. The reversal of 1101641 is 1461011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 855625 + 246016 = 925^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101641 - 2⁶ = 1101577 is a prime.

It is a super-2 number, since 2×1101641² = 2427225785762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1101649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550820 + 550821.

It is an arithmetic number, because the mean of its divisors is an integer number (550821).

2^1101641 is an apocalyptic number.

It is an amenable number.

1101641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101641 is an equidigital number, since it uses as much as digits as its factorization.

1101641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1101641 is about 1049.5908726737. The cubic root of 1101641 is about 103.2793185154.

Adding to 1101641 its reverse (1461011), we get a palindrome (2562652).

The spelling of 1101641 in words is "one million, one hundred one thousand, six hundred forty-one".