125310126 has 32 divisors (see below), whose sum is σ = 256258080. Its totient is φ = 40836224.

The previous prime is 125310079. The next prime is 125310139. The reversal of 125310126 is 621013521.

125310126 = T₂₁₄₈ + T₂₁₄₉ + ... + T₂₂₀₀.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123196 + ... + 124208.

It is an arithmetic number, because the mean of its divisors is an integer number (8008065).

Almost surely, 2^125310126 is an apocalyptic number.

125310126 is an abundant number, since it is smaller than the sum of its proper divisors (130947954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125310126 is a wasteful number, since it uses less digits than its factorization.

125310126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 125310126 is about 11194.2005520716. The cubic root of 125310126 is about 500.4131598372.

Adding to 125310126 its reverse (621013521), we get a palindrome (746323647).

The spelling of 125310126 in words is "one hundred twenty-five million, three hundred ten thousand, one hundred twenty-six".