1103720630 has 16 divisors (see below), whose sum is σ = 1991230560. Its totient is φ = 440480832.

The previous prime is 1103720587. The next prime is 1103720647. The reversal of 1103720630 is 360273011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1103720596 and 1103720605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121319 + ... + 130098.

It is an arithmetic number, because the mean of its divisors is an integer number (124451910).

Almost surely, 2^1103720630 is an apocalyptic number.

1103720630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1103720630 is a deficient number, since it is larger than the sum of its proper divisors (887509930).

1103720630 is a wasteful number, since it uses less digits than its factorization.

1103720630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251863.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1103720630 is about 33222.2911612068. The cubic root of 1103720630 is about 1033.4426640014.

Adding to 1103720630 its reverse (360273011), we get a palindrome (1463993641).

The spelling of 1103720630 in words is "one billion, one hundred three million, seven hundred twenty thousand, six hundred thirty".