1242612041 has 6 divisors (see below), whose sum is σ = 1365846426. Its totient is φ = 1129647200.

The previous prime is 1242612031. The next prime is 1242612047. The reversal of 1242612041 is 1402162421.

It can be written as a sum of positive squares in only one way, i.e., 1025344441 + 217267600 = 32021^2 + 14740^2 .

It is not a de Polignac number, because 1242612041 - 2¹⁰ = 1242611017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1242611998 and 1242612016.

It is not an unprimeable number, because it can be changed into a prime (1242612047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5134640 + ... + 5134881.

It is an arithmetic number, because the mean of its divisors is an integer number (227641071).

Almost surely, 2^1242612041 is an apocalyptic number.

1242612041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1242612041 is a deficient number, since it is larger than the sum of its proper divisors (123234385).

1242612041 is a wasteful number, since it uses less digits than its factorization.

1242612041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10269543 (or 10269532 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1242612041 is about 35250.7027022157. The cubic root of 1242612041 is about 1075.0909001194.

Adding to 1242612041 its reverse (1402162421), we get a palindrome (2644774462).

The spelling of 1242612041 in words is "one billion, two hundred forty-two million, six hundred twelve thousand, forty-one".