125290419 has 4 divisors (see below), whose sum is σ = 167053896. Its totient is φ = 83526944.

The previous prime is 125290397. The next prime is 125290423. The reversal of 125290419 is 914092521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125290419 - 2⁸ = 125290163 is a prime.

It is a super-2 number, since 2×125290419² = 31395378186391122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125290419.

It is not an unprimeable number, because it can be changed into a prime (125290489) 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 in 3 ways as a sum of consecutive naturals, for example, 20881734 + ... + 20881739.

It is an arithmetic number, because the mean of its divisors is an integer number (41763474).

Almost surely, 2^125290419 is an apocalyptic number.

125290419 is a deficient number, since it is larger than the sum of its proper divisors (41763477).

125290419 is an equidigital number, since it uses as much as digits as its factorization.

125290419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41763476.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 125290419 is about 11193.3202848842. The cubic root of 125290419 is about 500.3869258329.

The spelling of 125290419 in words is "one hundred twenty-five million, two hundred ninety thousand, four hundred nineteen".