1355078242 has 24 divisors (see below), whose sum is σ = 2409095196. Its totient is φ = 569788128.

The previous prime is 1355078209. The next prime is 1355078243. The reversal of 1355078242 is 2428705531.

It can be written as a sum of positive squares in 2 ways, for example, as 1163560321 + 191517921 = 34111^2 + 13839^2 .

It is not an unprimeable number, because it can be changed into a prime (1355078243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125253 + ... + 135640.

Almost surely, 2^1355078242 is an apocalyptic number.

1355078242 is a deficient number, since it is larger than the sum of its proper divisors (1054016954).

1355078242 is a wasteful number, since it uses less digits than its factorization.

1355078242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260962 (or 260955 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 1355078242 is about 36811.3873957502. The cubic root of 1355078242 is about 1106.5935232339.

The spelling of 1355078242 in words is "one billion, three hundred fifty-five million, seventy-eight thousand, two hundred forty-two".