126142408 has 32 divisors (see below), whose sum is σ = 270696960. Its totient is φ = 53982720.

The previous prime is 126142399. The next prime is 126142421. The reversal of 126142408 is 804241621.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 54360 + ... + 56632.

It is an arithmetic number, because the mean of its divisors is an integer number (8459280).

Almost surely, 2^126142408 is an apocalyptic number.

It is an amenable number.

126142408 is an abundant number, since it is smaller than the sum of its proper divisors (144554552).

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

126142408 is a wasteful number, since it uses less digits than its factorization.

126142408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277 (or 3273 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 126142408 is about 11231.3137254731. The cubic root of 126142408 is about 501.5185937433.

The spelling of 126142408 in words is "one hundred twenty-six million, one hundred forty-two thousand, four hundred eight".