1087044457 has 2 divisors, whose sum is σ = 1087044458. Its totient is φ = 1087044456.

The previous prime is 1087044449. The next prime is 1087044463. The reversal of 1087044457 is 7544407801.

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., 994519296 + 92525161 = 31536^2 + 9619^2 .

It is a cyclic number.

It is not a de Polignac number, because 1087044457 - 2³ = 1087044449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1087044407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543522228 + 543522229.

It is an arithmetic number, because the mean of its divisors is an integer number (543522229).

Almost surely, 2^1087044457 is an apocalyptic number.

It is an amenable number.

1087044457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087044457 is an equidigital number, since it uses as much as digits as its factorization.

1087044457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 1087044457 is about 32970.3572470788. The cubic root of 1087044457 is about 1028.2114487928.

The spelling of 1087044457 in words is "one billion, eighty-seven million, forty-four thousand, four hundred fifty-seven".