1050421297 has 2 divisors, whose sum is σ = 1050421298. Its totient is φ = 1050421296.

The previous prime is 1050421291. The next prime is 1050421331. The reversal of 1050421297 is 7921240501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 666104481 + 384316816 = 25809^2 + 19604^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050421297 - 2¹⁵ = 1050388529 is a prime.

It is a super-2 number, since 2×1050421297² = 2206769802382324418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1050421291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525210648 + 525210649.

It is an arithmetic number, because the mean of its divisors is an integer number (525210649).

Almost surely, 2^1050421297 is an apocalyptic number.

It is an amenable number.

1050421297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050421297 is an equidigital number, since it uses as much as digits as its factorization.

1050421297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1050421297 is about 32410.2035939301. The cubic root of 1050421297 is about 1016.5322766493.

Adding to 1050421297 its reverse (7921240501), we get a palindrome (8971661798).

The spelling of 1050421297 in words is "one billion, fifty million, four hundred twenty-one thousand, two hundred ninety-seven".