1102782397 has 2 divisors, whose sum is σ = 1102782398. Its totient is φ = 1102782396.

The previous prime is 1102782389. The next prime is 1102782431. The reversal of 1102782397 is 7932872011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1078071556 + 24710841 = 32834^2 + 4971^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102782397 - 2³ = 1102782389 is a prime.

It is a super-2 number, since 2×1102782397² = 2432258030266131218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102782377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551391198 + 551391199.

It is an arithmetic number, because the mean of its divisors is an integer number (551391199).

Almost surely, 2^1102782397 is an apocalyptic number.

It is an amenable number.

1102782397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102782397 is an equidigital number, since it uses as much as digits as its factorization.

1102782397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 1102782397 is about 33208.1676248480. The cubic root of 1102782397 is about 1033.1497502399.

The spelling of 1102782397 in words is "one billion, one hundred two million, seven hundred eighty-two thousand, three hundred ninety-seven".