1042124421 has 32 divisors (see below), whose sum is σ = 1524362112. Its totient is φ = 629406720.

The previous prime is 1042124401. The next prime is 1042124431. The reversal of 1042124421 is 1244212401.

It is not a de Polignac number, because 1042124421 - 2⁵ = 1042124389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042124401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662566 + ... + 664136.

It is an arithmetic number, because the mean of its divisors is an integer number (47636316).

Almost surely, 2^1042124421 is an apocalyptic number.

It is an amenable number.

1042124421 is a deficient number, since it is larger than the sum of its proper divisors (482237691).

1042124421 is a wasteful number, since it uses less digits than its factorization.

1042124421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1042124421 is about 32281.9519391254. The cubic root of 1042124421 is about 1013.8487990805.

Adding to 1042124421 its reverse (1244212401), we get a palindrome (2286336822).

The spelling of 1042124421 in words is "one billion, forty-two million, one hundred twenty-four thousand, four hundred twenty-one".