126514415621 has 8 divisors (see below), whose sum is σ = 139762761600. Its totient is φ = 113557242240.

The previous prime is 126514415603. The next prime is 126514415623.

126514415621 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 126514415621 - 2⁶ = 126514415557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126514415623) 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, 72792236 + ... + 72793973.

It is an arithmetic number, because the mean of its divisors is an integer number (17470345200).

Almost surely, 2^126514415621 is an apocalyptic number.

126514415621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126514415621 is a deficient number, since it is larger than the sum of its proper divisors (13248345979).

126514415621 is a wasteful number, since it uses less digits than its factorization.

126514415621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145586299.

The product of its digits is 57600, while the sum is 38.

The spelling of 126514415621 in words is "one hundred twenty-six billion, five hundred fourteen million, four hundred fifteen thousand, six hundred twenty-one".