1182494945 has 8 divisors (see below), whose sum is σ = 1419209640. Its totient is φ = 945852160.

The previous prime is 1182494921. The next prime is 1182494947. The reversal of 1182494945 is 5494942811.

It can be written as a sum of positive squares in 4 ways, for example, as 210801361 + 971693584 = 14519^2 + 31172^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1182494945 - 2⁶ = 1182494881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1182494945.

It is not an unprimeable number, because it can be changed into a prime (1182494947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29705 + ... + 56985.

It is an arithmetic number, because the mean of its divisors is an integer number (177401205).

Almost surely, 2^1182494945 is an apocalyptic number.

It is an amenable number.

1182494945 is a deficient number, since it is larger than the sum of its proper divisors (236714695).

1182494945 is an equidigital number, since it uses as much as digits as its factorization.

1182494945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35955.

The product of its digits is 414720, while the sum is 47.

The square root of 1182494945 is about 34387.4242274701. The cubic root of 1182494945 is about 1057.4660444734.

The spelling of 1182494945 in words is "one billion, one hundred eighty-two million, four hundred ninety-four thousand, nine hundred forty-five".