125455403 has 8 divisors (see below), whose sum is σ = 127430160. Its totient is φ = 123495840.

The previous prime is 125455349. The next prime is 125455439. The reversal of 125455403 is 304554521.

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 125455403 - 2¹⁰ = 125454379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125455483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13448 + ... + 20778.

It is an arithmetic number, because the mean of its divisors is an integer number (15928770).

Almost surely, 2^125455403 is an apocalyptic number.

125455403 is a deficient number, since it is larger than the sum of its proper divisors (1974757).

125455403 is a wasteful number, since it uses less digits than its factorization.

125455403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7597.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 125455403 is about 11200.6876128209. The cubic root of 125455403 is about 500.6064680955.

The spelling of 125455403 in words is "one hundred twenty-five million, four hundred fifty-five thousand, four hundred three".