1141225857 has 36 divisors (see below), whose sum is σ = 1702055212. Its totient is φ = 736819200.

The previous prime is 1141225853. The next prime is 1141225859. The reversal of 1141225857 is 7585221411.

It is a happy number.

1141225857 is a `hidden beast` number, since 11 + 41 + 22 + 585 + 7 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 569824641 + 571401216 = 23871^2 + 23904^2 .

It is not a de Polignac number, because 1141225857 - 2² = 1141225853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141225853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3645933 + ... + 3646245.

Almost surely, 2^1141225857 is an apocalyptic number.

It is an amenable number.

1141225857 is a deficient number, since it is larger than the sum of its proper divisors (560829355).

1141225857 is a wasteful number, since it uses less digits than its factorization.

1141225857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 598 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 1141225857 is about 33782.0345302055. The cubic root of 1141225857 is about 1045.0182324757.

The spelling of 1141225857 in words is "one billion, one hundred forty-one million, two hundred twenty-five thousand, eight hundred fifty-seven".