125436003 has 32 divisors (see below), whose sum is σ = 209682432. Its totient is φ = 64797600.

The previous prime is 125435983. The next prime is 125436011. The reversal of 125436003 is 300634521.

It is a happy number.

It is not a de Polignac number, because 125436003 - 2⁵ = 125435971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125436083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42700 + ... + 45542.

It is an arithmetic number, because the mean of its divisors is an integer number (6552576).

Almost surely, 2^125436003 is an apocalyptic number.

125436003 is a deficient number, since it is larger than the sum of its proper divisors (84246429).

125436003 is a wasteful number, since it uses less digits than its factorization.

125436003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 125436003 is about 11199.8215610786. The cubic root of 125436003 is about 500.5806627339.

The spelling of 125436003 in words is "one hundred twenty-five million, four hundred thirty-six thousand, three".