1124004021 has 32 divisors (see below), whose sum is σ = 1745264640. Its totient is φ = 630205056.

The previous prime is 1124004017. The next prime is 1124004029. The reversal of 1124004021 is 1204004211.

It is not a de Polignac number, because 1124004021 - 2² = 1124004017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124004029) 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, 275025 + ... + 279081.

It is an arithmetic number, because the mean of its divisors is an integer number (54539520).

Almost surely, 2^1124004021 is an apocalyptic number.

It is an amenable number.

1124004021 is a deficient number, since it is larger than the sum of its proper divisors (621260619).

1124004021 is a wasteful number, since it uses less digits than its factorization.

1124004021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1124004021 is about 33526.1691966142. The cubic root of 1124004021 is about 1039.7348994546.

Adding to 1124004021 its reverse (1204004211), we get a palindrome (2328008232).

The spelling of 1124004021 in words is "one billion, one hundred twenty-four million, four thousand, twenty-one".