1097541 has 6 divisors (see below), whose sum is σ = 1585350. Its totient is φ = 731688.

The previous prime is 1097539. The next prime is 1097543. The reversal of 1097541 is 1457901.

It is an interprime number because it is at equal distance from previous prime (1097539) and next prime (1097543).

It can be written as a sum of positive squares in only one way, i.e., 772641 + 324900 = 879^2 + 570^2 .

It is not a de Polignac number, because 1097541 - 2¹ = 1097539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097543) 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 in 5 ways as a sum of consecutive naturals, for example, 60966 + ... + 60983.

It is an arithmetic number, because the mean of its divisors is an integer number (264225).

2^1097541 is an apocalyptic number.

It is an amenable number.

1097541 is a deficient number, since it is larger than the sum of its proper divisors (487809).

1097541 is a wasteful number, since it uses less digits than its factorization.

1097541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121955 (or 121952 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1097541 is about 1047.6359100375. The cubic root of 1097541 is about 103.1510336477.

The spelling of 1097541 in words is "one million, ninety-seven thousand, five hundred forty-one".