1013721050 has 48 divisors (see below), whose sum is σ = 2001246912. Its totient is φ = 380716800.

The previous prime is 1013721029. The next prime is 1013721073. The reversal of 1013721050 is 501273101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426365 + ... + 428735.

It is an arithmetic number, because the mean of its divisors is an integer number (41692644).

Almost surely, 2^1013721050 is an apocalyptic number.

1013721050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013721050 is a deficient number, since it is larger than the sum of its proper divisors (987525862).

1013721050 is a wasteful number, since it uses less digits than its factorization.

1013721050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903 (or 2898 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 1013721050 is about 31838.9863218037. The cubic root of 1013721050 is about 1004.5529227683.

Adding to 1013721050 its reverse (501273101), we get a palindrome (1514994151).

The spelling of 1013721050 in words is "one billion, thirteen million, seven hundred twenty-one thousand, fifty".