1102621623 has 16 divisors (see below), whose sum is σ = 1564934400. Its totient is φ = 688564800.

The previous prime is 1102621589. The next prime is 1102621631. The reversal of 1102621623 is 3261262011.

It is not a de Polignac number, because 1102621623 - 2⁹ = 1102621111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102621593 and 1102621602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102611623) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 103603 + ... + 113748.

It is an arithmetic number, because the mean of its divisors is an integer number (97808400).

Almost surely, 2^1102621623 is an apocalyptic number.

1102621623 is a deficient number, since it is larger than the sum of its proper divisors (462312777).

1102621623 is a wasteful number, since it uses less digits than its factorization.

1102621623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217462.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1102621623 is about 33205.7468369558. The cubic root of 1102621623 is about 1033.0995403674.

Adding to 1102621623 its reverse (3261262011), we get a palindrome (4363883634).

The spelling of 1102621623 in words is "one billion, one hundred two million, six hundred twenty-one thousand, six hundred twenty-three".