125245405 has 8 divisors (see below), whose sum is σ = 151135200. Its totient is φ = 99635856.

The previous prime is 125245399. The next prime is 125245411. The reversal of 125245405 is 504542521.

It is an interprime number because it is at equal distance from previous prime (125245399) and next prime (125245411).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125245405 - 2⁷ = 125245277 is a prime.

It is a super-2 number, since 2×125245405² = 31372822947228050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 69075 + ... + 70864.

It is an arithmetic number, because the mean of its divisors is an integer number (18891900).

Almost surely, 2^125245405 is an apocalyptic number.

It is an amenable number.

125245405 is a deficient number, since it is larger than the sum of its proper divisors (25889795).

125245405 is a wasteful number, since it uses less digits than its factorization.

125245405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140123.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 125245405 is about 11191.3093514566. The cubic root of 125245405 is about 500.3269927715.

Adding to 125245405 its reverse (504542521), we get a palindrome (629787926).

The spelling of 125245405 in words is "one hundred twenty-five million, two hundred forty-five thousand, four hundred five".