1028101918 has 16 divisors (see below), whose sum is σ = 1593285120. Its totient is φ = 497035800.

The previous prime is 1028101891. The next prime is 1028101967. The reversal of 1028101918 is 8191018201.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 1028101918.

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, 71473 + ... + 84643.

It is an arithmetic number, because the mean of its divisors is an integer number (99580320).

Almost surely, 2^1028101918 is an apocalyptic number.

1028101918 is a deficient number, since it is larger than the sum of its proper divisors (565183202).

1028101918 is a wasteful number, since it uses less digits than its factorization.

1028101918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14463.

The product of its (nonzero) digits is 1152, while the sum is 31.

The square root of 1028101918 is about 32064.0284119136. The cubic root of 1028101918 is about 1009.2809043438.

The spelling of 1028101918 in words is "one billion, twenty-eight million, one hundred one thousand, nine hundred eighteen".