1242121314 has 64 divisors (see below), whose sum is σ = 2993356800. Its totient is φ = 335674368.

The previous prime is 1242121289. The next prime is 1242121327. The reversal of 1242121314 is 4131212421.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 970527 + ... + 971805.

It is an arithmetic number, because the mean of its divisors is an integer number (46771200).

Almost surely, 2^1242121314 is an apocalyptic number.

1242121314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242121314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1496678400).

1242121314 is an abundant number, since it is smaller than the sum of its proper divisors (1751235486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242121314 is a wasteful number, since it uses less digits than its factorization.

1242121314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527.

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

The square root of 1242121314 is about 35243.7414869647. The cubic root of 1242121314 is about 1074.9493580614.

Adding to 1242121314 its reverse (4131212421), we get a palindrome (5373333735).

The spelling of 1242121314 in words is "one billion, two hundred forty-two million, one hundred twenty-one thousand, three hundred fourteen".