1421033057 has 2 divisors, whose sum is σ = 1421033058. Its totient is φ = 1421033056.

The previous prime is 1421033041. The next prime is 1421033059. The reversal of 1421033057 is 7503301241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 997043776 + 423989281 = 31576^2 + 20591^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421033057 - 2⁴ = 1421033041 is a prime.

Together with 1421033059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1421033059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710516528 + 710516529.

It is an arithmetic number, because the mean of its divisors is an integer number (710516529).

Almost surely, 2^1421033057 is an apocalyptic number.

It is an amenable number.

1421033057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421033057 is an equidigital number, since it uses as much as digits as its factorization.

1421033057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1421033057 is about 37696.5921138768. The cubic root of 1421033057 is about 1124.2633681739.

Adding to 1421033057 its reverse (7503301241), we get a palindrome (8924334298).

The spelling of 1421033057 in words is "one billion, four hundred twenty-one million, thirty-three thousand, fifty-seven".