1102782431 has 2 divisors, whose sum is σ = 1102782432. Its totient is φ = 1102782430.

The previous prime is 1102782397. The next prime is 1102782433. The reversal of 1102782431 is 1342872011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102782431 is a prime.

It is a super-2 number, since 2×1102782431² = 2432258180244539522, which contains 22 as substring.

Together with 1102782433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102782394 and 1102782403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102782433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551391215 + 551391216.

It is an arithmetic number, because the mean of its divisors is an integer number (551391216).

Almost surely, 2^1102782431 is an apocalyptic number.

1102782431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102782431 is an equidigital number, since it uses as much as digits as its factorization.

1102782431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1102782431 is about 33208.1681367702. The cubic root of 1102782431 is about 1033.1497608576.

The spelling of 1102782431 in words is "one billion, one hundred two million, seven hundred eighty-two thousand, four hundred thirty-one".