126502441 has 4 divisors (see below), whose sum is σ = 136233412. Its totient is φ = 116771472.

The previous prime is 126502433. The next prime is 126502469. The reversal of 126502441 is 144205621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36252441 + 90250000 = 6021^2 + 9500^2 .

It is a cyclic number.

It is not a de Polignac number, because 126502441 - 2³ = 126502433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126502421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4865466 + ... + 4865491.

It is an arithmetic number, because the mean of its divisors is an integer number (34058353).

Almost surely, 2^126502441 is an apocalyptic number.

It is an amenable number.

126502441 is a deficient number, since it is larger than the sum of its proper divisors (9730971).

126502441 is an equidigital number, since it uses as much as digits as its factorization.

126502441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730970.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 126502441 is about 11247.3303943647. The cubic root of 126502441 is about 501.9952817766.

The spelling of 126502441 in words is "one hundred twenty-six million, five hundred two thousand, four hundred forty-one".