1242241011 has 24 divisors (see below), whose sum is σ = 1959497280. Its totient is φ = 752094000.

The previous prime is 1242241009. The next prime is 1242241031. The reversal of 1242241011 is 1101422421.

1242241011 is a `hidden beast` number, since 1 + 242 + 2 + 410 + 11 = 666.

It is not a de Polignac number, because 1242241011 - 2¹ = 1242241009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242241031) 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, 98080 + ... + 110018.

It is an arithmetic number, because the mean of its divisors is an integer number (81645720).

Almost surely, 2^1242241011 is an apocalyptic number.

1242241011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1242241011 is a deficient number, since it is larger than the sum of its proper divisors (717256269).

1242241011 is a wasteful number, since it uses less digits than its factorization.

1242241011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13007 (or 13004 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1242241011 is about 35245.4395773411. The cubic root of 1242241011 is about 1074.9838861114.

Adding to 1242241011 its reverse (1101422421), we get a palindrome (2343663432).

It can be divided in two parts, 12422410 and 11, that added together give a palindrome (12422421).

The spelling of 1242241011 in words is "one billion, two hundred forty-two million, two hundred forty-one thousand, eleven".