1025742119 has 2 divisors, whose sum is σ = 1025742120. Its totient is φ = 1025742118.

The previous prime is 1025742097. The next prime is 1025742121. The reversal of 1025742119 is 9112475201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025742119 - 2⁸ = 1025741863 is a prime.

It is a super-2 number, since 2×1025742119² = 2104293789381220322, which contains 22 as substring.

Together with 1025742121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025742169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512871059 + 512871060.

It is an arithmetic number, because the mean of its divisors is an integer number (512871060).

Almost surely, 2^1025742119 is an apocalyptic number.

1025742119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025742119 is an equidigital number, since it uses as much as digits as its factorization.

1025742119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1025742119 is about 32027.2090416883. The cubic root of 1025742119 is about 1008.5081130506.

The spelling of 1025742119 in words is "one billion, twenty-five million, seven hundred forty-two thousand, one hundred nineteen".