1233954481 has 2 divisors, whose sum is σ = 1233954482. Its totient is φ = 1233954480.

The previous prime is 1233954467. The next prime is 1233954529. The reversal of 1233954481 is 1844593321.

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., 1226750625 + 7203856 = 35025^2 + 2684^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233954481 - 2⁷ = 1233954353 is a prime.

It is a super-2 number, since 2×1233954481² = 3045287322359958722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1233954451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616977240 + 616977241.

It is an arithmetic number, because the mean of its divisors is an integer number (616977241).

Almost surely, 2^1233954481 is an apocalyptic number.

It is an amenable number.

1233954481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233954481 is an equidigital number, since it uses as much as digits as its factorization.

1233954481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 1233954481 is about 35127.6882387669. The cubic root of 1233954481 is about 1072.5882782424.

The spelling of 1233954481 in words is "one billion, two hundred thirty-three million, nine hundred fifty-four thousand, four hundred eighty-one".