126524641 has 4 divisors (see below), whose sum is σ = 126548784. Its totient is φ = 126500500.

The previous prime is 126524623. The next prime is 126524653. The reversal of 126524641 is 146425621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146425621 = 43 ⋅3405247.

It is a cyclic number.

It is not a de Polignac number, because 126524641 - 2⁷ = 126524513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126524681) 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, 535 + ... + 15916.

It is an arithmetic number, because the mean of its divisors is an integer number (31637196).

Almost surely, 2^126524641 is an apocalyptic number.

It is an amenable number.

126524641 is a deficient number, since it is larger than the sum of its proper divisors (24143).

126524641 is an equidigital number, since it uses as much as digits as its factorization.

126524641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24142.

The product of its digits is 11520, while the sum is 31.

The square root of 126524641 is about 11248.3172519271. The cubic root of 126524641 is about 502.0246452242.

The spelling of 126524641 in words is "one hundred twenty-six million, five hundred twenty-four thousand, six hundred forty-one".