126241653 has 4 divisors (see below), whose sum is σ = 168322208. Its totient is φ = 84161100.

The previous prime is 126241649. The next prime is 126241657. The reversal of 126241653 is 356142621.

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: 356142621 = 3 ⋅118714207.

It is an interprime number because it is at equal distance from previous prime (126241649) and next prime (126241657).

It is not a de Polignac number, because 126241653 - 2² = 126241649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126241653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126241657) 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, 21040273 + ... + 21040278.

It is an arithmetic number, because the mean of its divisors is an integer number (42080552).

Almost surely, 2^126241653 is an apocalyptic number.

It is an amenable number.

126241653 is a deficient number, since it is larger than the sum of its proper divisors (42080555).

126241653 is an equidigital number, since it uses as much as digits as its factorization.

126241653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42080554.

The product of its digits is 8640, while the sum is 30.

The square root of 126241653 is about 11235.7310843576. The cubic root of 126241653 is about 501.6500857768.

The spelling of 126241653 in words is "one hundred twenty-six million, two hundred forty-one thousand, six hundred fifty-three".