1354120443 has 48 divisors (see below), whose sum is σ = 2286768000. Its totient is φ = 789396192.

The previous prime is 1354120441. The next prime is 1354120457. The reversal of 1354120443 is 3440214531.

It is a happy number.

It is not a de Polignac number, because 1354120443 - 2¹ = 1354120441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1354120441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78888 + ... + 94506.

It is an arithmetic number, because the mean of its divisors is an integer number (47641000).

Almost surely, 2^1354120443 is an apocalyptic number.

1354120443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1354120443 is a deficient number, since it is larger than the sum of its proper divisors (932647557).

1354120443 is a wasteful number, since it uses less digits than its factorization.

1354120443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15673 (or 15654 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1354120443 is about 36798.3755483853. The cubic root of 1354120443 is about 1106.3327402636.

Adding to 1354120443 its reverse (3440214531), we get a palindrome (4794334974).

The spelling of 1354120443 in words is "one billion, three hundred fifty-four million, one hundred twenty thousand, four hundred forty-three".