126245972 has 12 divisors (see below), whose sum is σ = 221812416. Its totient is φ = 62871000.

The previous prime is 126245971. The next prime is 126245989. The reversal of 126245972 is 279542621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126245971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61868 + ... + 63875.

It is an arithmetic number, because the mean of its divisors is an integer number (18484368).

Almost surely, 2^126245972 is an apocalyptic number.

It is an amenable number.

126245972 is a deficient number, since it is larger than the sum of its proper divisors (95566444).

126245972 is a wasteful number, since it uses less digits than its factorization.

126245972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125998 (or 125996 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 126245972 is about 11235.9232820450. The cubic root of 126245972 is about 501.6558065563.

The spelling of 126245972 in words is "one hundred twenty-six million, two hundred forty-five thousand, nine hundred seventy-two".