1141253649 has 12 divisors (see below), whose sum is σ = 1648847616. Its totient is φ = 760664952.

The previous prime is 1141253647. The next prime is 1141253651. The reversal of 1141253649 is 9463521411.

It is a happy number.

1141253649 is a `hidden beast` number, since 1 + 1 + 4 + 1 + 2 + 5 + 3 + 649 = 666.

It is an interprime number because it is at equal distance from previous prime (1141253647) and next prime (1141253651).

It is not a de Polignac number, because 1141253649 - 2¹ = 1141253647 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1141253647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38272 + ... + 61214.

It is an arithmetic number, because the mean of its divisors is an integer number (137403968).

Almost surely, 2^1141253649 is an apocalyptic number.

It is an amenable number.

1141253649 is a deficient number, since it is larger than the sum of its proper divisors (507593967).

1141253649 is a wasteful number, since it uses less digits than its factorization.

1141253649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28476 (or 28473 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1141253649 is about 33782.4458705997. The cubic root of 1141253649 is about 1045.0267154331.

The spelling of 1141253649 in words is "one billion, one hundred forty-one million, two hundred fifty-three thousand, six hundred forty-nine".