125403022501 has 16 divisors (see below), whose sum is σ = 134548689600. Its totient is φ = 116527137408.

The previous prime is 125403022489. The next prime is 125403022517. The reversal of 125403022501 is 105220304521.

It is not a de Polignac number, because 125403022501 - 2⁵ = 125403022469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125403022541) 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 in 15 ways as a sum of consecutive naturals, for example, 85215 + ... + 508003.

It is an arithmetic number, because the mean of its divisors is an integer number (8409293100).

Almost surely, 2^125403022501 is an apocalyptic number.

It is an amenable number.

125403022501 is a deficient number, since it is larger than the sum of its proper divisors (9145667099).

125403022501 is a wasteful number, since it uses less digits than its factorization.

125403022501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423108.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 125403022501 in words is "one hundred twenty-five billion, four hundred three million, twenty-two thousand, five hundred one".