126076670621 has 4 divisors (see below), whose sum is σ = 137538186144. Its totient is φ = 114615155100.

The previous prime is 126076670609. The next prime is 126076670659.

126076670621 is nontrivially palindromic in base 10.

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.

It is a cyclic number.

It is not a de Polignac number, because 126076670621 - 2¹⁰ = 126076669597 is a prime.

It is a super-2 number, since 2×126076670621² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126076670521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5730757745 + ... + 5730757766.

It is an arithmetic number, because the mean of its divisors is an integer number (34384546536).

Almost surely, 2^126076670621 is an apocalyptic number.

126076670621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126076670621 is a deficient number, since it is larger than the sum of its proper divisors (11461515523).

126076670621 is a wasteful number, since it uses less digits than its factorization.

126076670621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11461515522.

The product of its (nonzero) digits is 254016, while the sum is 44.

It can be divided in two parts, 126076 and 670621, that added together give a palindrome (796697).

The spelling of 126076670621 in words is "one hundred twenty-six billion, seventy-six million, six hundred seventy thousand, six hundred twenty-one".