126425412 has 18 divisors (see below), whose sum is σ = 319575438. Its totient is φ = 42141792.

The previous prime is 126425407. The next prime is 126425419. The reversal of 126425412 is 214524621.

126425412 is a `hidden beast` number, since 1 + 2 + 642 + 5 + 4 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 124010496 + 2414916 = 11136^2 + 1554^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (126425419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1755873 + ... + 1755944.

It is an arithmetic number, because the mean of its divisors is an integer number (17754191).

Almost surely, 2^126425412 is an apocalyptic number.

126425412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126425412 is an abundant number, since it is smaller than the sum of its proper divisors (193150026).

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

126425412 is a wasteful number, since it uses less digits than its factorization.

126425412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511827 (or 3511822 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 126425412 is about 11243.9055492298. The cubic root of 126425412 is about 501.8933705791.

The spelling of 126425412 in words is "one hundred twenty-six million, four hundred twenty-five thousand, four hundred twelve".