1424121111 has 24 divisors (see below), whose sum is σ = 2351991200. Its totient is φ = 813416256.

The previous prime is 1424121091. The next prime is 1424121133. The reversal of 1424121111 is 1111214241.

1424121111 is a `hidden beast` number, since 142 + 412 + 1 + 111 = 666.

It is not a de Polignac number, because 1424121111 - 2¹⁸ = 1423858967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424121151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201465 + ... + 208413.

Almost surely, 2^1424121111 is an apocalyptic number.

1424121111 is a deficient number, since it is larger than the sum of its proper divisors (927870089).

1424121111 is a wasteful number, since it uses less digits than its factorization.

1424121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10215 (or 10212 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

The square root of 1424121111 is about 37737.5292116482. The cubic root of 1424121111 is about 1125.0771597448.

Adding to 1424121111 its reverse (1111214241), we get a palindrome (2535335352).

The spelling of 1424121111 in words is "one billion, four hundred twenty-four million, one hundred twenty-one thousand, one hundred eleven".