1261050514 has 32 divisors (see below), whose sum is σ = 2050375680. Its totient is φ = 579414528.

The previous prime is 1261050503. The next prime is 1261050517. The reversal of 1261050514 is 4150501621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1261050517) 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 15 ways as a sum of consecutive naturals, for example, 985327 + ... + 986605.

It is an arithmetic number, because the mean of its divisors is an integer number (64074240).

Almost surely, 2^1261050514 is an apocalyptic number.

1261050514 is a deficient number, since it is larger than the sum of its proper divisors (789325166).

1261050514 is a wasteful number, since it uses less digits than its factorization.

1261050514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1261050514 is about 35511.2730551863. The cubic root of 1261050514 is about 1080.3823846016.

The spelling of 1261050514 in words is "one billion, two hundred sixty-one million, fifty thousand, five hundred fourteen".