126009070421 has 16 divisors (see below), whose sum is σ = 136932816384. Its totient is φ = 115261595904.

The previous prime is 126009070381. The next prime is 126009070427. The reversal of 126009070421 is 124070900621.

It is a happy number.

It is not a de Polignac number, because 126009070421 - 2³⁰ = 124935328597 is a prime.

It is a super-3 number, since 3×126009070421³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126009070427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11874500 + ... + 11885106.

It is an arithmetic number, because the mean of its divisors is an integer number (8558301024).

Almost surely, 2^126009070421 is an apocalyptic number.

It is an amenable number.

126009070421 is a deficient number, since it is larger than the sum of its proper divisors (10923745963).

126009070421 is a wasteful number, since it uses less digits than its factorization.

126009070421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18820.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 126009070421 in words is "one hundred twenty-six billion, nine million, seventy thousand, four hundred twenty-one".