126412552 has 48 divisors (see below), whose sum is σ = 276763500. Its totient is φ = 53972352.

The previous prime is 126412549. The next prime is 126412607. The reversal of 126412552 is 255214621.

It can be written as a sum of positive squares in 2 ways, for example, as 125126596 + 1285956 = 11186^2 + 1134^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 126412552.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152074 + ... + 152902.

Almost surely, 2^126412552 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 126412552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138381750).

126412552 is an abundant number, since it is smaller than the sum of its proper divisors (150350948).

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

126412552 is a wasteful number, since it uses less digits than its factorization.

126412552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1227 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 126412552 is about 11243.3336693349. Note that the first 3 decimals coincide. The cubic root of 126412552 is about 501.8763524615.

The spelling of 126412552 in words is "one hundred twenty-six million, four hundred twelve thousand, five hundred fifty-two".