1124123421 has 8 divisors (see below), whose sum is σ = 1499290624. Its totient is φ = 749185920.

The previous prime is 1124123369. The next prime is 1124123437. The reversal of 1124123421 is 1243214211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1124123421 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 (1124123461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45661 + ... + 65826.

It is an arithmetic number, because the mean of its divisors is an integer number (187411328).

Almost surely, 2^1124123421 is an apocalyptic number.

It is an amenable number.

1124123421 is a deficient number, since it is larger than the sum of its proper divisors (375167203).

1124123421 is a wasteful number, since it uses less digits than its factorization.

1124123421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114851.

The product of its digits is 384, while the sum is 21.

The square root of 1124123421 is about 33527.9498478508. The cubic root of 1124123421 is about 1039.7717142551.

Adding to 1124123421 its reverse (1243214211), we get a palindrome (2367337632).

The spelling of 1124123421 in words is "one billion, one hundred twenty-four million, one hundred twenty-three thousand, four hundred twenty-one".