1242011141 has 8 divisors (see below), whose sum is σ = 1423656000. Its totient is φ = 1061419968.

The previous prime is 1242011117. The next prime is 1242011149. The reversal of 1242011141 is 1411102421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1242011141 - 2⁶ = 1242011077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242011149) 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, 260891 + ... + 265608.

It is an arithmetic number, because the mean of its divisors is an integer number (177957000).

Almost surely, 2^1242011141 is an apocalyptic number.

It is an amenable number.

1242011141 is a deficient number, since it is larger than the sum of its proper divisors (181644859).

1242011141 is an equidigital number, since it uses as much as digits as its factorization.

1242011141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526843.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1242011141 is about 35242.1784372079. The cubic root of 1242011141 is about 1074.9175753641.

Adding to 1242011141 its reverse (1411102421), we get a palindrome (2653113562).

The spelling of 1242011141 in words is "one billion, two hundred forty-two million, eleven thousand, one hundred forty-one".