1097287907 has 2 divisors, whose sum is σ = 1097287908. Its totient is φ = 1097287906.

The previous prime is 1097287901. The next prime is 1097287921. The reversal of 1097287907 is 7097827901.

It is a weak prime.

It is an emirp because it is prime and its reverse (7097827901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1097287907 - 2⁶ = 1097287843 is a prime.

It is not a weakly prime, because it can be changed into another prime (1097287901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548643953 + 548643954.

It is an arithmetic number, because the mean of its divisors is an integer number (548643954).

Almost surely, 2^1097287907 is an apocalyptic number.

1097287907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097287907 is an equidigital number, since it uses as much as digits as its factorization.

1097287907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 50.

The square root of 1097287907 is about 33125.3363303680. The cubic root of 1097287907 is about 1031.4310416062.

The spelling of 1097287907 in words is "one billion, ninety-seven million, two hundred eighty-seven thousand, nine hundred seven".