126631422 has 24 divisors (see below), whose sum is σ = 286298064. Its totient is φ = 40375104.

The previous prime is 126631369. The next prime is 126631423. The reversal of 126631422 is 224136621.

126631422 is a `hidden beast` number, since 1 + 2 + 6 + 631 + 4 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126631423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152523 + ... + 153350.

It is an arithmetic number, because the mean of its divisors is an integer number (11929086).

Almost surely, 2^126631422 is an apocalyptic number.

126631422 is an abundant number, since it is smaller than the sum of its proper divisors (159666642).

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

126631422 is a wasteful number, since it uses less digits than its factorization.

126631422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305904 (or 305901 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 126631422 is about 11253.0627830827. The cubic root of 126631422 is about 502.1658341124.

The spelling of 126631422 in words is "one hundred twenty-six million, six hundred thirty-one thousand, four hundred twenty-two".