126990422 has 8 divisors (see below), whose sum is σ = 205138416. Its totient is φ = 58610952.

The previous prime is 126990421. The next prime is 126990427. The reversal of 126990422 is 224099621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×126990422² = 32253134559476168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126990421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2442098 + ... + 2442149.

It is an arithmetic number, because the mean of its divisors is an integer number (25642302).

Almost surely, 2^126990422 is an apocalyptic number.

126990422 is a deficient number, since it is larger than the sum of its proper divisors (78147994).

126990422 is a wasteful number, since it uses less digits than its factorization.

126990422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884262.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 126990422 is about 11269.0027065397. The cubic root of 126990422 is about 502.6399329766.

The spelling of 126990422 in words is "one hundred twenty-six million, nine hundred ninety thousand, four hundred twenty-two".