126865492 has 24 divisors (see below), whose sum is σ = 253158696. Its totient is φ = 55108608.

The previous prime is 126865481. The next prime is 126865499. The reversal of 126865492 is 294568621.

It can be written as a sum of positive squares in 4 ways, for example, as 12931216 + 113934276 = 3596^2 + 10674^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126865499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70873 + ... + 72640.

It is an arithmetic number, because the mean of its divisors is an integer number (10548279).

Almost surely, 2^126865492 is an apocalyptic number.

It is an amenable number.

126865492 is a deficient number, since it is larger than the sum of its proper divisors (126293204).

126865492 is a wasteful number, since it uses less digits than its factorization.

126865492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143547 (or 143545 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 126865492 is about 11263.4582611203. The cubic root of 126865492 is about 502.4750506989.

The spelling of 126865492 in words is "one hundred twenty-six million, eight hundred sixty-five thousand, four hundred ninety-two".