1124040340021 has 8 divisors (see below), whose sum is σ = 1139520115224. Its totient is φ = 1108562780160.

The previous prime is 1124040340001. The next prime is 1124040340037. The reversal of 1124040340021 is 1200430404211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 558106114225 + 565934225796 = 747065^2 + 752286^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1124040340021 - 2¹³ = 1124040331829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1124040339974 and 1124040340001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124040340001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481155 + ... + 1574671.

It is an arithmetic number, because the mean of its divisors is an integer number (142440014403).

Almost surely, 2^{1124040340021} is an apocalyptic number.

It is an amenable number.

1124040340021 is a deficient number, since it is larger than the sum of its proper divisors (15479775203).

1124040340021 is a wasteful number, since it uses less digits than its factorization.

1124040340021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107671.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1124040340021 its reverse (1200430404211), we get a palindrome (2324470744232).

The spelling of 1124040340021 in words is "one trillion, one hundred twenty-four billion, forty million, three hundred forty thousand, twenty-one".