126929208 has 128 divisors (see below), whose sum is σ = 392256000. Its totient is φ = 34094592.

The previous prime is 126929207. The next prime is 126929213. The reversal of 126929208 is 802929621.

It is a super-2 number, since 2×126929208² = 32222047687014528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126929207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139491 + ... + 140397.

It is an arithmetic number, because the mean of its divisors is an integer number (3064500).

Almost surely, 2^126929208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126929208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196128000).

126929208 is an abundant number, since it is smaller than the sum of its proper divisors (265326792).

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

126929208 is a wasteful number, since it uses less digits than its factorization.

126929208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 126929208 is about 11266.2863446657. The cubic root of 126929208 is about 502.5591564226.

The spelling of 126929208 in words is "one hundred twenty-six million, nine hundred twenty-nine thousand, two hundred eight".