1119743971 has 2 divisors, whose sum is σ = 1119743972. Its totient is φ = 1119743970.

The previous prime is 1119743959. The next prime is 1119744001. The reversal of 1119743971 is 1793479111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1119743971 - 2⁷ = 1119743843 is a prime.

It is not a weakly prime, because it can be changed into another prime (1119743921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559871985 + 559871986.

It is an arithmetic number, because the mean of its divisors is an integer number (559871986).

Almost surely, 2^1119743971 is an apocalyptic number.

1119743971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119743971 is an equidigital number, since it uses as much as digits as its factorization.

1119743971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 43.

The square root of 1119743971 is about 33462.5756779122. The cubic root of 1119743971 is about 1038.4196816567.

The spelling of 1119743971 in words is "one billion, one hundred nineteen million, seven hundred forty-three thousand, nine hundred seventy-one".