903122081 has 2 divisors, whose sum is σ = 903122082. Its totient is φ = 903122080.

The previous prime is 903122057. The next prime is 903122111. The reversal of 903122081 is 180221309.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 506475025 + 396647056 = 22505^2 + 19916^2 .

It is an emirp because it is prime and its reverse (180221309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 903122081 - 2¹⁰ = 903121057 is a prime.

It is a super-2 number, since 2×903122081² = 1631258986379541122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 903122081.

It is not a weakly prime, because it can be changed into another prime (903122281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451561040 + 451561041.

It is an arithmetic number, because the mean of its divisors is an integer number (451561041).

Almost surely, 2^903122081 is an apocalyptic number.

It is an amenable number.

903122081 is a deficient number, since it is larger than the sum of its proper divisors (1).

903122081 is an equidigital number, since it uses as much as digits as its factorization.

903122081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 903122081 is about 30051.9896346315. The cubic root of 903122081 is about 966.6045169053.

The spelling of 903122081 in words is "nine hundred three million, one hundred twenty-two thousand, eighty-one".