1055064121 has 2 divisors, whose sum is σ = 1055064122. Its totient is φ = 1055064120.

The previous prime is 1055064097. The next prime is 1055064161. The reversal of 1055064121 is 1214605501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1040707600 + 14356521 = 32260^2 + 3789^2 .

It is an emirp because it is prime and its reverse (1214605501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1055064121 - 2¹⁵ = 1055031353 is a prime.

It is a super-2 number, since 2×1055064121² = 2226320598843005282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055064161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527532060 + 527532061.

It is an arithmetic number, because the mean of its divisors is an integer number (527532061).

Almost surely, 2^1055064121 is an apocalyptic number.

It is an amenable number.

1055064121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055064121 is an equidigital number, since it uses as much as digits as its factorization.

1055064121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1055064121 is about 32481.7505839818. The cubic root of 1055064121 is about 1018.0277540768.

Adding to 1055064121 its reverse (1214605501), we get a palindrome (2269669622).

The spelling of 1055064121 in words is "one billion, fifty-five million, sixty-four thousand, one hundred twenty-one".