126340400 has 30 divisors (see below), whose sum is σ = 303533772. Its totient is φ = 50536000.

The previous prime is 126340399. The next prime is 126340439. The reversal of 126340400 is 4043621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157526 + ... + 158325.

Almost surely, 2^126340400 is an apocalyptic number.

126340400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126340400 is an abundant number, since it is smaller than the sum of its proper divisors (177193372).

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

126340400 is a wasteful number, since it uses less digits than its factorization.

126340400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315869 (or 315858 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 126340400 is about 11240.1245544700. The cubic root of 126340400 is about 501.7808496188.

The spelling of 126340400 in words is "one hundred twenty-six million, three hundred forty thousand, four hundred".