1078248697 has 2 divisors, whose sum is σ = 1078248698. Its totient is φ = 1078248696.

The previous prime is 1078248683. The next prime is 1078248707. The reversal of 1078248697 is 7968428701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 998307216 + 79941481 = 31596^2 + 8941^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1078248697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1078248637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539124348 + 539124349.

It is an arithmetic number, because the mean of its divisors is an integer number (539124349).

Almost surely, 2^1078248697 is an apocalyptic number.

It is an amenable number.

1078248697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078248697 is an equidigital number, since it uses as much as digits as its factorization.

1078248697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The square root of 1078248697 is about 32836.6974131078. The cubic root of 1078248697 is about 1025.4306964931.

The spelling of 1078248697 in words is "one billion, seventy-eight million, two hundred forty-eight thousand, six hundred ninety-seven".