126213511061 has 8 divisors (see below), whose sum is σ = 137691630048. Its totient is φ = 114736086000.

The previous prime is 126213511019. The next prime is 126213511121. The reversal of 126213511061 is 160115312621.

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 126213511061 - 2³⁴ = 109033641877 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 (126213511261) 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, 252266 + ... + 562196.

It is an arithmetic number, because the mean of its divisors is an integer number (17211453756).

Almost surely, 2^126213511061 is an apocalyptic number.

126213511061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126213511061 is a deficient number, since it is larger than the sum of its proper divisors (11478118987).

126213511061 is a wasteful number, since it uses less digits than its factorization.

126213511061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346963.

The product of its (nonzero) digits is 2160, while the sum is 29.

Adding to 126213511061 its reverse (160115312621), we get a palindrome (286328823682).

The spelling of 126213511061 in words is "one hundred twenty-six billion, two hundred thirteen million, five hundred eleven thousand, sixty-one".