61226343121 has 8 divisors (see below), whose sum is σ = 61678742400. Its totient is φ = 60774561600.

The previous prime is 61226343067. The next prime is 61226343133. The reversal of 61226343121 is 12134362216.

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 61226343121 - 2⁹ = 61226342609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61226343721) 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, 45465 + ... + 352873.

It is an arithmetic number, because the mean of its divisors is an integer number (7709842800).

Almost surely, 2^61226343121 is an apocalyptic number.

It is an amenable number.

61226343121 is a deficient number, since it is larger than the sum of its proper divisors (452399279).

61226343121 is a wasteful number, since it uses less digits than its factorization.

61226343121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308879.

The product of its digits is 10368, while the sum is 31.

The spelling of 61226343121 in words is "sixty-one billion, two hundred twenty-six million, three hundred forty-three thousand, one hundred twenty-one".