125037019 has 2 divisors, whose sum is σ = 125037020. Its totient is φ = 125037018.

The previous prime is 125037001. The next prime is 125037037. The reversal of 125037019 is 910730521.

It is a balanced prime because it is at equal distance from previous prime (125037001) and next prime (125037037).

It is an emirp because it is prime and its reverse (910730521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125037019 - 2⁵ = 125036987 is a prime.

It is a super-2 number, since 2×125037019² = 31268512240812722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125037919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62518509 + 62518510.

It is an arithmetic number, because the mean of its divisors is an integer number (62518510).

Almost surely, 2^125037019 is an apocalyptic number.

125037019 is a deficient number, since it is larger than the sum of its proper divisors (1).

125037019 is an equidigital number, since it uses as much as digits as its factorization.

125037019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 125037019 is about 11181.9953049534. The cubic root of 125037019 is about 500.0493537949.

The spelling of 125037019 in words is "one hundred twenty-five million, thirty-seven thousand, nineteen".