1361255050 has 24 divisors (see below), whose sum is σ = 2533388076. Its totient is φ = 544189440.

The previous prime is 1361255047. The next prime is 1361255087. The reversal of 1361255050 is 505521631.

It can be written as a sum of positive squares in 6 ways, for example, as 242954569 + 1118300481 = 15587^2 + 33441^2 .

It is a super-2 number, since 2×1361255050² = 3706030622301005000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93034 + ... + 106666.

Almost surely, 2^1361255050 is an apocalyptic number.

1361255050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361255050 is a deficient number, since it is larger than the sum of its proper divisors (1172133026).

1361255050 is a wasteful number, since it uses less digits than its factorization.

1361255050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15642 (or 15637 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1361255050 is about 36895.1900659151. The cubic root of 1361255050 is about 1108.2723577487.

Adding to 1361255050 its reverse (505521631), we get a palindrome (1866776681).

The spelling of 1361255050 in words is "one billion, three hundred sixty-one million, two hundred fifty-five thousand, fifty".