100102790 has 8 divisors (see below), whose sum is σ = 180185040. Its totient is φ = 40041112.

The previous prime is 100102777. The next prime is 100102799. The reversal of 100102790 is 97201001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005130 + ... + 5005149.

It is an arithmetic number, because the mean of its divisors is an integer number (22523130).

Almost surely, 2^100102790 is an apocalyptic number.

100102790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100102790 is a deficient number, since it is larger than the sum of its proper divisors (80082250).

100102790 is a wasteful number, since it uses less digits than its factorization.

100102790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010286.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 100102790 is about 10005.1381799553. The cubic root of 100102790 is about 464.3178652066.

Adding to 100102790 its reverse (97201001), we get a palindrome (197303791).

The spelling of 100102790 in words is "one hundred million, one hundred two thousand, seven hundred ninety".