125574419 has 2 divisors, whose sum is σ = 125574420. Its totient is φ = 125574418.

The previous prime is 125574403. The next prime is 125574467. The reversal of 125574419 is 914475521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125574419 - 2⁴ = 125574403 is a prime.

It is a super-2 number, since 2×125574419² = 31537869414375122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125514419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62787209 + 62787210.

It is an arithmetic number, because the mean of its divisors is an integer number (62787210).

Almost surely, 2^125574419 is an apocalyptic number.

125574419 is a deficient number, since it is larger than the sum of its proper divisors (1).

125574419 is an equidigital number, since it uses as much as digits as its factorization.

125574419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 38.

The square root of 125574419 is about 11205.9992414778. Note that the first 3 decimals coincide. The cubic root of 125574419 is about 500.7647218048.

The spelling of 125574419 in words is "one hundred twenty-five million, five hundred seventy-four thousand, four hundred nineteen".