1424232121 has 9 divisors (see below), whose sum is σ = 1542747279. Its totient is φ = 1314222936.

The previous prime is 1424232119. The next prime is 1424232143. The reversal of 1424232121 is 1212324241.

The square root of 1424232121 is 37739.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 210685225 + 1213546896 = 14515^2 + 34836^2 .

It is not a de Polignac number, because 1424232121 - 2¹ = 1424232119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1424232092 and 1424232101.

It is not an unprimeable number, because it can be changed into a prime (1424232421) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 489156 + ... + 492058.

Almost surely, 2^1424232121 is an apocalyptic number.

1424232121 is the 37739-th square number.

1424232121 is the 18870-th centered octagonal number.

It is an amenable number.

1424232121 is a deficient number, since it is larger than the sum of its proper divisors (118515158).

1424232121 is an frugal number, since it uses more digits than its factorization.

1424232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832 (or 2916 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The cubic root of 1424232121 is about 1125.1063921768.

Adding to 1424232121 its reverse (1212324241), we get a palindrome (2636556362).

The spelling of 1424232121 in words is "one billion, four hundred twenty-four million, two hundred thirty-two thousand, one hundred twenty-one".