1120344421 has 16 divisors (see below), whose sum is σ = 1414658304. Its totient is φ = 864509184.

The previous prime is 1120344413. The next prime is 1120344431. The reversal of 1120344421 is 1244430211.

It is a happy number.

It is not a de Polignac number, because 1120344421 - 2³ = 1120344413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120344392 and 1120344401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120344431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201930 + ... + 207403.

It is an arithmetic number, because the mean of its divisors is an integer number (88416144).

Almost surely, 2^1120344421 is an apocalyptic number.

It is an amenable number.

1120344421 is a deficient number, since it is larger than the sum of its proper divisors (294313883).

1120344421 is a wasteful number, since it uses less digits than its factorization.

1120344421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409380.

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

The square root of 1120344421 is about 33471.5464387291. The cubic root of 1120344421 is about 1038.6052620797.

Adding to 1120344421 its reverse (1244430211), we get a palindrome (2364774632).

The spelling of 1120344421 in words is "one billion, one hundred twenty million, three hundred forty-four thousand, four hundred twenty-one".