125418029 has 4 divisors (see below), whose sum is σ = 136819680. Its totient is φ = 114016380.

The previous prime is 125418023. The next prime is 125418071. The reversal of 125418029 is 920814521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125418029 - 2²⁴ = 108640813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125417986 and 125418004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125418023) 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 3 ways as a sum of consecutive naturals, for example, 5700809 + ... + 5700830.

It is an arithmetic number, because the mean of its divisors is an integer number (34204920).

Almost surely, 2^125418029 is an apocalyptic number.

It is an amenable number.

125418029 is a deficient number, since it is larger than the sum of its proper divisors (11401651).

125418029 is a wasteful number, since it uses less digits than its factorization.

125418029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11401650.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 125418029 is about 11199.0191088327. The cubic root of 125418029 is about 500.5567518247.

The spelling of 125418029 in words is "one hundred twenty-five million, four hundred eighteen thousand, twenty-nine".