1421124411 has 24 divisors (see below), whose sum is σ = 2257963344. Its totient is φ = 792261120.

The previous prime is 1421124389. The next prime is 1421124461. The reversal of 1421124411 is 1144211241.

1421124411 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1421124411 - 2⁶ = 1421124347 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1421124461) 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, 111870 + ... + 123923.

It is an arithmetic number, because the mean of its divisors is an integer number (94081806).

Almost surely, 2^1421124411 is an apocalyptic number.

1421124411 is a deficient number, since it is larger than the sum of its proper divisors (836838933).

1421124411 is a wasteful number, since it uses less digits than its factorization.

1421124411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235851 (or 235844 counting only the distinct ones).

The product of its digits is 256, while the sum is 21.

The square root of 1421124411 is about 37697.8037954468. The cubic root of 1421124411 is about 1124.2874595100.

Adding to 1421124411 its reverse (1144211241), we get a palindrome (2565335652).

The spelling of 1421124411 in words is "one billion, four hundred twenty-one million, one hundred twenty-four thousand, four hundred eleven".