1149700481 has 4 divisors (see below), whose sum is σ = 1157023572. Its totient is φ = 1142377392.

The previous prime is 1149700477. The next prime is 1149700483. The reversal of 1149700481 is 1840079411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 376360000 + 773340481 = 19400^2 + 27809^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149700481 - 2² = 1149700477 is a prime.

It is a super-2 number, since 2×1149700481² = 2643622392023262722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1149700483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3661310 + ... + 3661623.

It is an arithmetic number, because the mean of its divisors is an integer number (289255893).

Almost surely, 2^1149700481 is an apocalyptic number.

It is an amenable number.

1149700481 is a deficient number, since it is larger than the sum of its proper divisors (7323091).

1149700481 is an equidigital number, since it uses as much as digits as its factorization.

1149700481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7323090.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 1149700481 is about 33907.2334613132. The cubic root of 1149700481 is about 1047.5985879036.

Adding to 1149700481 its reverse (1840079411), we get a palindrome (2989779892).

The spelling of 1149700481 in words is "one billion, one hundred forty-nine million, seven hundred thousand, four hundred eighty-one".