1035040921 has 2 divisors, whose sum is σ = 1035040922. Its totient is φ = 1035040920.

The previous prime is 1035040913. The next prime is 1035040949. The reversal of 1035040921 is 1290405301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 668739600 + 366301321 = 25860^2 + 19139^2 .

It is a cyclic number.

It is not a de Polignac number, because 1035040921 - 2³ = 1035040913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1035040901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517520460 + 517520461.

It is an arithmetic number, because the mean of its divisors is an integer number (517520461).

Almost surely, 2^1035040921 is an apocalyptic number.

It is an amenable number.

1035040921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1035040921 is an equidigital number, since it uses as much as digits as its factorization.

1035040921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1035040921 is about 32172.0518618257. The cubic root of 1035040921 is about 1011.5464728358.

The spelling of 1035040921 in words is "one billion, thirty-five million, forty thousand, nine hundred twenty-one".