1097323137 has 6 divisors (see below), whose sum is σ = 1585022322. Its totient is φ = 731548752.

The previous prime is 1097323127. The next prime is 1097323177. The reversal of 1097323137 is 7313237901.

It can be written as a sum of positive squares in only one way, i.e., 669826161 + 427496976 = 25881^2 + 20676^2 .

It is not a de Polignac number, because 1097323137 - 2⁴ = 1097323121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1097323127) 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 5 ways as a sum of consecutive naturals, for example, 60962388 + ... + 60962405.

It is an arithmetic number, because the mean of its divisors is an integer number (264170387).

Almost surely, 2^1097323137 is an apocalyptic number.

It is an amenable number.

1097323137 is a deficient number, since it is larger than the sum of its proper divisors (487699185).

1097323137 is a wasteful number, since it uses less digits than its factorization.

1097323137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121924799 (or 121924796 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 36.

The square root of 1097323137 is about 33125.8680942855. The cubic root of 1097323137 is about 1031.4420800117.

The spelling of 1097323137 in words is "one billion, ninety-seven million, three hundred twenty-three thousand, one hundred thirty-seven".