1097451 has 12 divisors (see below), whose sum is σ = 1612000. Its totient is φ = 719280.

The previous prime is 1097443. The next prime is 1097461. The reversal of 1097451 is 1547901.

It is not a de Polignac number, because 1097451 - 2³ = 1097443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 451 + ... + 1548.

2^1097451 is an apocalyptic number.

1097451 is a deficient number, since it is larger than the sum of its proper divisors (514549).

1097451 is a wasteful number, since it uses less digits than its factorization.

1097451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066 (or 2063 counting only the distinct ones).

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

The square root of 1097451 is about 1047.5929553028. The cubic root of 1097451 is about 103.1482140577.

It can be divided in two parts, 109745 and 1, that added together give a triangular number (109746 = T₄₆₈).

The spelling of 1097451 in words is "one million, ninety-seven thousand, four hundred fifty-one".