1442021051 has 2 divisors, whose sum is σ = 1442021052. Its totient is φ = 1442021050.

The previous prime is 1442021033. The next prime is 1442021069. The reversal of 1442021051 is 1501202441.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1442021033) and next prime (1442021069).

It is a cyclic number.

It is not a de Polignac number, because 1442021051 - 2¹⁴ = 1442004667 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442021071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721010525 + 721010526.

It is an arithmetic number, because the mean of its divisors is an integer number (721010526).

Almost surely, 2^1442021051 is an apocalyptic number.

1442021051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442021051 is an equidigital number, since it uses as much as digits as its factorization.

1442021051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1442021051 is about 37973.9522699442. The cubic root of 1442021051 is about 1129.7712881938.

Adding to 1442021051 its reverse (1501202441), we get a palindrome (2943223492).

The spelling of 1442021051 in words is "one billion, four hundred forty-two million, twenty-one thousand, fifty-one".