1242134411 has 8 divisors (see below), whose sum is σ = 1420306944. Its totient is φ = 1064143080.

The previous prime is 1242134353. The next prime is 1242134419. The reversal of 1242134411 is 1144312421.

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

It is not a de Polignac number, because 1242134411 - 2²² = 1237940107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242134419) 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, 30275 + ... + 58316.

It is an arithmetic number, because the mean of its divisors is an integer number (177538368).

Almost surely, 2^1242134411 is an apocalyptic number.

1242134411 is a deficient number, since it is larger than the sum of its proper divisors (178172533).

1242134411 is an equidigital number, since it uses as much as digits as its factorization.

1242134411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90601.

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

The square root of 1242134411 is about 35243.9272925138. The cubic root of 1242134411 is about 1074.9531361579.

Adding to 1242134411 its reverse (1144312421), we get a palindrome (2386446832).

The spelling of 1242134411 in words is "one billion, two hundred forty-two million, one hundred thirty-four thousand, four hundred eleven".