100130292 has 18 divisors (see below), whose sum is σ = 253107218. Its totient is φ = 33376752.

The previous prime is 100130291. The next prime is 100130297. The reversal of 100130292 is 292031001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 84162276 + 15968016 = 9174^2 + 3996^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100130291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1390663 + ... + 1390734.

Almost surely, 2^100130292 is an apocalyptic number.

100130292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100130292 is an abundant number, since it is smaller than the sum of its proper divisors (152976926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100130292 is a wasteful number, since it uses less digits than its factorization.

100130292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781407 (or 2781402 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 100130292 is about 10006.5124793806. The cubic root of 100130292 is about 464.3603831713.

Adding to 100130292 its reverse (292031001), we get a palindrome (392161293).

The spelling of 100130292 in words is "one hundred million, one hundred thirty thousand, two hundred ninety-two".