1442121503 has 2 divisors, whose sum is σ = 1442121504. Its totient is φ = 1442121502.

The previous prime is 1442121493. The next prime is 1442121511. The reversal of 1442121503 is 3051212441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442121503 - 2²² = 1437927199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442121523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721060751 + 721060752.

It is an arithmetic number, because the mean of its divisors is an integer number (721060752).

Almost surely, 2^1442121503 is an apocalyptic number.

1442121503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442121503 is an equidigital number, since it uses as much as digits as its factorization.

1442121503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1442121503 is about 37975.2748903810. The cubic root of 1442121503 is about 1129.7975210865.

Adding to 1442121503 its reverse (3051212441), we get a palindrome (4493333944).

The spelling of 1442121503 in words is "one billion, four hundred forty-two million, one hundred twenty-one thousand, five hundred three".