1234142121 has 8 divisors (see below), whose sum is σ = 1680534144. Its totient is φ = 805255760.

The previous prime is 1234142101. The next prime is 1234142197. The reversal of 1234142121 is 1212414321.

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

It is a cyclic number.

It is not a de Polignac number, because 1234142121 - 2⁹ = 1234141609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1234142101) 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, 4376250 + ... + 4376531.

It is an arithmetic number, because the mean of its divisors is an integer number (210066768).

Almost surely, 2^1234142121 is an apocalyptic number.

It is an amenable number.

1234142121 is a deficient number, since it is larger than the sum of its proper divisors (446392023).

1234142121 is an equidigital number, since it uses as much as digits as its factorization.

1234142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8752831.

The product of its digits is 384, while the sum is 21.

The square root of 1234142121 is about 35130.3589648611. The cubic root of 1234142121 is about 1072.6426428258.

Adding to 1234142121 its reverse (1212414321), we get a palindrome (2446556442).

The spelling of 1234142121 in words is "one billion, two hundred thirty-four million, one hundred forty-two thousand, one hundred twenty-one".