1242466447941 has 24 divisors (see below), whose sum is σ = 1814932119000. Its totient is φ = 818977499136.

The previous prime is 1242466447913. The next prime is 1242466447961. The reversal of 1242466447941 is 1497446642421.

1242466447941 is a `hidden beast` number, since 12 + 42 + 4 + 66 + 447 + 94 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 468295231041 + 774171216900 = 684321^2 + 879870^2 .

It is not a de Polignac number, because 1242466447941 - 2⁷ = 1242466447813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242466447961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212935 + ... + 1590683.

It is an arithmetic number, because the mean of its divisors is an integer number (75622171625).

Almost surely, 2^{1242466447941} is an apocalyptic number.

It is an amenable number.

1242466447941 is a deficient number, since it is larger than the sum of its proper divisors (572465671059).

1242466447941 is a wasteful number, since it uses less digits than its factorization.

1242466447941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378885 (or 1378882 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

The spelling of 1242466447941 in words is "one trillion, two hundred forty-two billion, four hundred sixty-six million, four hundred forty-seven thousand, nine hundred forty-one".