126679220 has 12 divisors (see below), whose sum is σ = 266026404. Its totient is φ = 50671680.

The previous prime is 126679219. The next prime is 126679229. The reversal of 126679220 is 22976621.

It can be written as a sum of positive squares in 2 ways, for example, as 58583716 + 68095504 = 7654^2 + 8252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126679229) 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, 3166961 + ... + 3167000.

It is an arithmetic number, because the mean of its divisors is an integer number (22168867).

Almost surely, 2^126679220 is an apocalyptic number.

126679220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126679220 is an abundant number, since it is smaller than the sum of its proper divisors (139347184).

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

126679220 is a wasteful number, since it uses less digits than its factorization.

126679220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6333970 (or 6333968 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 126679220 is about 11255.1863600742. The cubic root of 126679220 is about 502.2290082778.

The spelling of 126679220 in words is "one hundred twenty-six million, six hundred seventy-nine thousand, two hundred twenty".