126499425 has 48 divisors (see below), whose sum is σ = 235068288. Its totient is φ = 59558400.

The previous prime is 126499423. The next prime is 126499433. The reversal of 126499425 is 524994621.

It is not a de Polignac number, because 126499425 - 2¹ = 126499423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126499423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19605 + ... + 25245.

It is an arithmetic number, because the mean of its divisors is an integer number (4897256).

Almost surely, 2^126499425 is an apocalyptic number.

126499425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126499425 is a deficient number, since it is larger than the sum of its proper divisors (108568863).

126499425 is a wasteful number, since it uses less digits than its factorization.

126499425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690 (or 5685 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 126499425 is about 11247.1963173050. The cubic root of 126499425 is about 501.9912923152.

The spelling of 126499425 in words is "one hundred twenty-six million, four hundred ninety-nine thousand, four hundred twenty-five".