1242121334 has 4 divisors (see below), whose sum is σ = 1863182004. Its totient is φ = 621060666.

The previous prime is 1242121327. The next prime is 1242121367. The reversal of 1242121334 is 4331212421.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310530332 + ... + 310530335.

It is an arithmetic number, because the mean of its divisors is an integer number (465795501).

Almost surely, 2^1242121334 is an apocalyptic number.

1242121334 is a deficient number, since it is larger than the sum of its proper divisors (621060670).

1242121334 is an equidigital number, since it uses as much as digits as its factorization.

1242121334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621060669.

The product of its digits is 1152, while the sum is 23.

The square root of 1242121334 is about 35243.7417707031. The cubic root of 1242121334 is about 1074.9493638309.

Adding to 1242121334 its reverse (4331212421), we get a palindrome (5573333755).

It can be divided in two parts, 1242121 and 334, that multiplied together give a palindrome (414868414).

The spelling of 1242121334 in words is "one billion, two hundred forty-two million, one hundred twenty-one thousand, three hundred thirty-four".