1141719947 has 2 divisors, whose sum is σ = 1141719948. Its totient is φ = 1141719946.

The previous prime is 1141719923. The next prime is 1141719959. The reversal of 1141719947 is 7499171411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141719947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1141719898 and 1141719907.

It is not a weakly prime, because it can be changed into another prime (1141719247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570859973 + 570859974.

It is an arithmetic number, because the mean of its divisors is an integer number (570859974).

Almost surely, 2^1141719947 is an apocalyptic number.

1141719947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141719947 is an equidigital number, since it uses as much as digits as its factorization.

1141719947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 44.

The square root of 1141719947 is about 33789.3466494989. The cubic root of 1141719947 is about 1045.1690231243.

The spelling of 1141719947 in words is "one billion, one hundred forty-one million, seven hundred nineteen thousand, nine hundred forty-seven".