126252422 has 4 divisors (see below), whose sum is σ = 189378636. Its totient is φ = 63126210.

The previous prime is 126252419. The next prime is 126252439. The reversal of 126252422 is 224252621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224252621 = 29 ⋅7732849.

It is a junction number, because it is equal to n+sod(n) for n = 126252391 and 126252400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31563104 + ... + 31563107.

It is an arithmetic number, because the mean of its divisors is an integer number (47344659).

Almost surely, 2^126252422 is an apocalyptic number.

126252422 is a deficient number, since it is larger than the sum of its proper divisors (63126214).

126252422 is an equidigital number, since it uses as much as digits as its factorization.

126252422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63126213.

The product of its digits is 3840, while the sum is 26.

The square root of 126252422 is about 11236.2103041906. The cubic root of 126252422 is about 501.6643497328.

The spelling of 126252422 in words is "one hundred twenty-six million, two hundred fifty-two thousand, four hundred twenty-two".