1210323097 has 4 divisors (see below), whose sum is σ = 1222306596. Its totient is φ = 1198339600.

The previous prime is 1210323083. The next prime is 1210323113. The reversal of 1210323097 is 7903230121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 826907536 + 383415561 = 28756^2 + 19581^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210323097 - 2²⁷ = 1076105369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210323197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5991598 + ... + 5991799.

It is an arithmetic number, because the mean of its divisors is an integer number (305576649).

Almost surely, 2^1210323097 is an apocalyptic number.

It is an amenable number.

1210323097 is a deficient number, since it is larger than the sum of its proper divisors (11983499).

1210323097 is a wasteful number, since it uses less digits than its factorization.

1210323097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11983498.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1210323097 is about 34789.6981447094. The cubic root of 1210323097 is about 1065.6970748509.

The spelling of 1210323097 in words is "one billion, two hundred ten million, three hundred twenty-three thousand, ninety-seven".