126442242501 has 8 divisors (see below), whose sum is σ = 168683900640. Its totient is φ = 84247706352.

The previous prime is 126442242431. The next prime is 126442242551. The reversal of 126442242501 is 105242244621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126442242501 - 2²² = 126438048197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126442242551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11774235 + ... + 11784968.

It is an arithmetic number, because the mean of its divisors is an integer number (21085487580).

Almost surely, 2^126442242501 is an apocalyptic number.

It is an amenable number.

126442242501 is a deficient number, since it is larger than the sum of its proper divisors (42241658139).

126442242501 is a wasteful number, since it uses less digits than its factorization.

126442242501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23560995.

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 126442242501 in words is "one hundred twenty-six billion, four hundred forty-two million, two hundred forty-two thousand, five hundred one".