126225420 has 48 divisors (see below), whose sum is σ = 354987360. Its totient is φ = 33511936.

The previous prime is 126225419. The next prime is 126225431. The reversal of 126225420 is 24522621.

It is a happy number.

It is a super-3 number, since 3×126225420³ (a number of 25 digits) contains 333 as substring.

It is a zygodrome in base 2.

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, 9466 + ... + 18494.

It is an arithmetic number, because the mean of its divisors is an integer number (7395570).

Almost surely, 2^126225420 is an apocalyptic number.

126225420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126225420 is an abundant number, since it is smaller than the sum of its proper divisors (228761940).

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

126225420 is a wasteful number, since it uses less digits than its factorization.

126225420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9274 (or 9272 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 126225420 is about 11235.0086782343. The cubic root of 126225420 is about 501.6285830088.

The spelling of 126225420 in words is "one hundred twenty-six million, two hundred twenty-five thousand, four hundred twenty".