1205426061 has 48 divisors (see below), whose sum is σ = 2045981184. Its totient is φ = 669606912.

The previous prime is 1205426059. The next prime is 1205426099. The reversal of 1205426061 is 1606245021.

1205426061 is a `hidden beast` number, since 1 + 2 + 0 + 54 + 2 + 606 + 1 = 666.

It is not a de Polignac number, because 1205426061 - 2¹ = 1205426059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205426051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 463581 + ... + 466173.

It is an arithmetic number, because the mean of its divisors is an integer number (42624608).

Almost surely, 2^1205426061 is an apocalyptic number.

It is an amenable number.

1205426061 is a deficient number, since it is larger than the sum of its proper divisors (840555123).

1205426061 is a wasteful number, since it uses less digits than its factorization.

1205426061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810 (or 2807 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1205426061 is about 34719.2462619798. The cubic root of 1205426061 is about 1064.2578417293.

The spelling of 1205426061 in words is "one billion, two hundred five million, four hundred twenty-six thousand, sixty-one".