126531244 has 24 divisors (see below), whose sum is σ = 253560608. Its totient is φ = 54120960.

The previous prime is 126531239. The next prime is 126531269. The reversal of 126531244 is 442135621.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10972 + ... + 19324.

Almost surely, 2^126531244 is an apocalyptic number.

126531244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

126531244 is an abundant number, since it is smaller than the sum of its proper divisors (127029364).

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

126531244 is a wasteful number, since it uses less digits than its factorization.

126531244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8905 (or 8903 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 126531244 is about 11248.6107586670. The cubic root of 126531244 is about 502.0333782032.

Adding to 126531244 its reverse (442135621), we get a palindrome (568666865).

The spelling of 126531244 in words is "one hundred twenty-six million, five hundred thirty-one thousand, two hundred forty-four".