126415120421 has 8 divisors (see below), whose sum is σ = 126712797120. Its totient is φ = 126117628672.

The previous prime is 126415120399. The next prime is 126415120451. The reversal of 126415120421 is 124021514621.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126415120421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126415120451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1373381 + ... + 1462533.

It is an arithmetic number, because the mean of its divisors is an integer number (15839099640).

Almost surely, 2^126415120421 is an apocalyptic number.

It is an amenable number.

126415120421 is a deficient number, since it is larger than the sum of its proper divisors (297676699).

126415120421 is an equidigital number, since it uses as much as digits as its factorization.

126415120421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92475.

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 126415120421 in words is "one hundred twenty-six billion, four hundred fifteen million, one hundred twenty thousand, four hundred twenty-one".