1080178949 has 2 divisors, whose sum is σ = 1080178950. Its totient is φ = 1080178948.

The previous prime is 1080178943. The next prime is 1080178987. The reversal of 1080178949 is 9498710801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 769785025 + 310393924 = 27745^2 + 17618^2 .

It is a cyclic number.

It is not a de Polignac number, because 1080178949 - 2⁴ = 1080178933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1080178943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540089474 + 540089475.

It is an arithmetic number, because the mean of its divisors is an integer number (540089475).

Almost surely, 2^1080178949 is an apocalyptic number.

It is an amenable number.

1080178949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1080178949 is an equidigital number, since it uses as much as digits as its factorization.

1080178949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 47.

The square root of 1080178949 is about 32866.0759598708. The cubic root of 1080178949 is about 1026.0422312628.

The spelling of 1080178949 in words is "one billion, eighty million, one hundred seventy-eight thousand, nine hundred forty-nine".