125355479 has 2 divisors, whose sum is σ = 125355480. Its totient is φ = 125355478.

The previous prime is 125355463. The next prime is 125355499. The reversal of 125355479 is 974553521.

It is a weak prime.

It is an emirp because it is prime and its reverse (974553521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125355479 - 2⁴ = 125355463 is a prime.

It is a super-2 number, since 2×125355479² = 31427992230638882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125355499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62677739 + 62677740.

It is an arithmetic number, because the mean of its divisors is an integer number (62677740).

Almost surely, 2^125355479 is an apocalyptic number.

125355479 is a deficient number, since it is larger than the sum of its proper divisors (1).

125355479 is an equidigital number, since it uses as much as digits as its factorization.

125355479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 41.

The square root of 125355479 is about 11196.2261052553. The cubic root of 125355479 is about 500.4735234096.

The spelling of 125355479 in words is "one hundred twenty-five million, three hundred fifty-five thousand, four hundred seventy-nine".