1241182945 has 16 divisors (see below), whose sum is σ = 1531708560. Its totient is φ = 964825344.

The previous prime is 1241182939. The next prime is 1241182951. The reversal of 1241182945 is 5492811421.

It is an interprime number because it is at equal distance from previous prime (1241182939) and next prime (1241182951).

It can be written as a sum of positive squares in 8 ways, for example, as 32855824 + 1208327121 = 5732^2 + 34761^2 .

It is a cyclic number.

It is not a de Polignac number, because 1241182945 - 2¹⁵ = 1241150177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149319 + ... + 157411.

It is an arithmetic number, because the mean of its divisors is an integer number (95731785).

Almost surely, 2^1241182945 is an apocalyptic number.

It is an amenable number.

1241182945 is a deficient number, since it is larger than the sum of its proper divisors (290525615).

1241182945 is an equidigital number, since it uses as much as digits as its factorization.

1241182945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8964.

The product of its digits is 23040, while the sum is 37.

The square root of 1241182945 is about 35230.4264095682. The cubic root of 1241182945 is about 1074.6785972646.

The spelling of 1241182945 in words is "one billion, two hundred forty-one million, one hundred eighty-two thousand, nine hundred forty-five".