1102488638 has 4 divisors (see below), whose sum is σ = 1653732960. Its totient is φ = 551244318.

The previous prime is 1102488631. The next prime is 1102488643. The reversal of 1102488638 is 8368842011.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1102488595 and 1102488604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102488631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275622158 + ... + 275622161.

It is an arithmetic number, because the mean of its divisors is an integer number (413433240).

Almost surely, 2^1102488638 is an apocalyptic number.

1102488638 is a deficient number, since it is larger than the sum of its proper divisors (551244322).

1102488638 is an equidigital number, since it uses as much as digits as its factorization.

1102488638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551244321.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 1102488638 is about 33203.7443370473. The cubic root of 1102488638 is about 1033.0580053375.

The spelling of 1102488638 in words is "one billion, one hundred two million, four hundred eighty-eight thousand, six hundred thirty-eight".