124155125 has 8 divisors (see below), whose sum is σ = 154945752. Its totient is φ = 99324000.

The previous prime is 124155107. The next prime is 124155133. The reversal of 124155125 is 521551421.

It can be written as a sum of positive squares in 4 ways, for example, as 2582449 + 121572676 = 1607^2 + 11026^2 .

It is not a de Polignac number, because 124155125 - 2²² = 119960821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124155094 and 124155103.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 496496 + ... + 496745.

It is an arithmetic number, because the mean of its divisors is an integer number (19368219).

Almost surely, 2^124155125 is an apocalyptic number.

It is an amenable number.

124155125 is a deficient number, since it is larger than the sum of its proper divisors (30790627).

124155125 is an frugal number, since it uses more digits than its factorization.

124155125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993256 (or 993246 counting only the distinct ones).

The product of its digits is 2000, while the sum is 26.

The square root of 124155125 is about 11142.4918667235. The cubic root of 124155125 is about 498.8709524221.

The spelling of 124155125 in words is "one hundred twenty-four million, one hundred fifty-five thousand, one hundred twenty-five".