1241678178 has 24 divisors (see below), whose sum is σ = 2897249628. Its totient is φ = 382054752.

The previous prime is 1241678171. The next prime is 1241678189. The reversal of 1241678178 is 8718761421.

It can be written as a sum of positive squares in 2 ways, for example, as 919726929 + 321951249 = 30327^2 + 17943^2 .

It is not an unprimeable number, because it can be changed into a prime (1241678171) 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, 2652925 + ... + 2653392.

Almost surely, 2^1241678178 is an apocalyptic number.

1241678178 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1241678178 is an abundant number, since it is smaller than the sum of its proper divisors (1655571450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1241678178 is a wasteful number, since it uses less digits than its factorization.

1241678178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306338 (or 5306335 counting only the distinct ones).

The product of its digits is 150528, while the sum is 45.

The square root of 1241678178 is about 35237.4541929465. The cubic root of 1241678178 is about 1074.8215108022.

The spelling of 1241678178 in words is "one billion, two hundred forty-one million, six hundred seventy-eight thousand, one hundred seventy-eight".