125923429 has 4 divisors (see below), whose sum is σ = 126576076. Its totient is φ = 125270784.

The previous prime is 125923411. The next prime is 125923433. The reversal of 125923429 is 924329521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11390625 + 114532804 = 3375^2 + 10702^2 .

It is a cyclic number.

It is not a de Polignac number, because 125923429 - 2¹¹ = 125921381 is a prime.

It is a super-2 number, since 2×125923429² = 31713419942236082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125923409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326034 + ... + 326419.

It is an arithmetic number, because the mean of its divisors is an integer number (31644019).

Almost surely, 2^125923429 is an apocalyptic number.

It is an amenable number.

125923429 is a deficient number, since it is larger than the sum of its proper divisors (652647).

125923429 is an equidigital number, since it uses as much as digits as its factorization.

125923429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652646.

The product of its digits is 38880, while the sum is 37.

The square root of 125923429 is about 11221.5608985560. The cubic root of 125923429 is about 501.2282191517.

The spelling of 125923429 in words is "one hundred twenty-five million, nine hundred twenty-three thousand, four hundred twenty-nine".