1153125019 has 2 divisors, whose sum is σ = 1153125020. Its totient is φ = 1153125018.

The previous prime is 1153124971. The next prime is 1153125037. The reversal of 1153125019 is 9105213511.

It is a strong prime.

It is an emirp because it is prime and its reverse (9105213511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1153125019 - 2²⁵ = 1119570587 is a prime.

It is a super-2 number, since 2×1153125019² = 2659394618887500722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1153125089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576562509 + 576562510.

It is an arithmetic number, because the mean of its divisors is an integer number (576562510).

Almost surely, 2^1153125019 is an apocalyptic number.

1153125019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153125019 is an equidigital number, since it uses as much as digits as its factorization.

1153125019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 1153125019 is about 33957.6945477752. The cubic root of 1153125019 is about 1048.6376947908.

The spelling of 1153125019 in words is "one billion, one hundred fifty-three million, one hundred twenty-five thousand, nineteen".