1055121533 has 2 divisors, whose sum is σ = 1055121534. Its totient is φ = 1055121532.

The previous prime is 1055121491. The next prime is 1055121539. The reversal of 1055121533 is 3351215501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1055080324 + 41209 = 32482^2 + 203^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055121533 - 2⁶ = 1055121469 is a prime.

It is a super-2 number, since 2×1055121533² = 2226562898800540178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055121539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527560766 + 527560767.

It is an arithmetic number, because the mean of its divisors is an integer number (527560767).

Almost surely, 2^1055121533 is an apocalyptic number.

It is an amenable number.

1055121533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055121533 is an equidigital number, since it uses as much as digits as its factorization.

1055121533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1055121533 is about 32482.6343297461. The cubic root of 1055121533 is about 1018.0462192892.

The spelling of 1055121533 in words is "one billion, fifty-five million, one hundred twenty-one thousand, five hundred thirty-three".