1149975343 has 4 divisors (see below), whose sum is σ = 1254518568. Its totient is φ = 1045432120.

The previous prime is 1149975341. The next prime is 1149975347. The reversal of 1149975343 is 3435799411.

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

It is a cyclic number.

It is not a de Polignac number, because 1149975343 - 2¹ = 1149975341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1149975293 and 1149975302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149975341) 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, 52271596 + ... + 52271617.

It is an arithmetic number, because the mean of its divisors is an integer number (313629642).

Almost surely, 2^1149975343 is an apocalyptic number.

1149975343 is a deficient number, since it is larger than the sum of its proper divisors (104543225).

1149975343 is a wasteful number, since it uses less digits than its factorization.

1149975343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104543224.

The product of its digits is 408240, while the sum is 46.

The square root of 1149975343 is about 33911.2863660463. The cubic root of 1149975343 is about 1047.6820653264.

The spelling of 1149975343 in words is "one billion, one hundred forty-nine million, nine hundred seventy-five thousand, three hundred forty-three".