1238018102 has 16 divisors (see below), whose sum is σ = 1948980960. Its totient is φ = 588669312.

The previous prime is 1238018071. The next prime is 1238018107. The reversal of 1238018102 is 2018108321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238018107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69827 + ... + 85742.

It is an arithmetic number, because the mean of its divisors is an integer number (121811310).

Almost surely, 2^1238018102 is an apocalyptic number.

1238018102 is a deficient number, since it is larger than the sum of its proper divisors (710962858).

1238018102 is a wasteful number, since it uses less digits than its factorization.

1238018102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155767.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1238018102 is about 35185.4814092404. The cubic root of 1238018102 is about 1073.7643930629.

The spelling of 1238018102 in words is "one billion, two hundred thirty-eight million, eighteen thousand, one hundred two".