125467919 has 2 divisors, whose sum is σ = 125467920. Its totient is φ = 125467918.

The previous prime is 125467897. The next prime is 125467961. The reversal of 125467919 is 919764521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125467919 is a prime.

It is a super-2 number, since 2×125467919² = 31484397396381122, 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 125467919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125467019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62733959 + 62733960.

It is an arithmetic number, because the mean of its divisors is an integer number (62733960).

Almost surely, 2^125467919 is an apocalyptic number.

125467919 is a deficient number, since it is larger than the sum of its proper divisors (1).

125467919 is an equidigital number, since it uses as much as digits as its factorization.

125467919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 44.

The square root of 125467919 is about 11201.2463145848. The cubic root of 125467919 is about 500.6231151325.

The spelling of 125467919 in words is "one hundred twenty-five million, four hundred sixty-seven thousand, nine hundred nineteen".