1097530 has 16 divisors (see below), whose sum is σ = 2257920. Its totient is φ = 376272.

The previous prime is 1097513. The next prime is 1097533. The reversal of 1097530 is 357901.

It is a junction number, because it is equal to n+sod(n) for n = 1097495 and 1097504.

It is not an unprimeable number, because it can be changed into a prime (1097533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7770 + ... + 7909.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

2^1097530 is an apocalyptic number.

1097530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1097530 is an abundant number, since it is smaller than the sum of its proper divisors (1160390).

1097530 is a wasteful number, since it uses less digits than its factorization.

1097530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15693.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 1097530 is about 1047.6306601088. The cubic root of 1097530 is about 103.1506890394.

The spelling of 1097530 in words is "one million, ninety-seven thousand, five hundred thirty".