1097951143 has 2 divisors, whose sum is σ = 1097951144. Its totient is φ = 1097951142.

The previous prime is 1097951117. The next prime is 1097951167. The reversal of 1097951143 is 3411597901.

It is a strong prime.

It is an emirp because it is prime and its reverse (3411597901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1097951143 - 2⁵ = 1097951111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1097951096 and 1097951105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1097957143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548975571 + 548975572.

It is an arithmetic number, because the mean of its divisors is an integer number (548975572).

Almost surely, 2^1097951143 is an apocalyptic number.

1097951143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097951143 is an equidigital number, since it uses as much as digits as its factorization.

1097951143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 1097951143 is about 33135.3458258700. The cubic root of 1097951143 is about 1031.6388097507.

The spelling of 1097951143 in words is "one billion, ninety-seven million, nine hundred fifty-one thousand, one hundred forty-three".