1424020141 has 4 divisors (see below), whose sum is σ = 1428880572. Its totient is φ = 1419159712.

The previous prime is 1424020097. The next prime is 1424020187. The reversal of 1424020141 is 1410204241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1410204241 = 19157 ⋅73613.

It can be written as a sum of positive squares in 2 ways, for example, as 1292114916 + 131905225 = 35946^2 + 11485^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424020141 - 2¹¹ = 1424018093 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 (1424029141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2429776 + ... + 2430361.

It is an arithmetic number, because the mean of its divisors is an integer number (357220143).

Almost surely, 2^1424020141 is an apocalyptic number.

It is an amenable number.

1424020141 is a deficient number, since it is larger than the sum of its proper divisors (4860431).

1424020141 is an equidigital number, since it uses as much as digits as its factorization.

1424020141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860430.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1424020141 is about 37736.1913949990. The cubic root of 1424020141 is about 1125.0505698420.

Adding to 1424020141 its reverse (1410204241), we get a palindrome (2834224382).

The spelling of 1424020141 in words is "one billion, four hundred twenty-four million, twenty thousand, one hundred forty-one".