100103772 has 12 divisors (see below), whose sum is σ = 233575496. Its totient is φ = 33367920.

The previous prime is 100103771. The next prime is 100103779. The reversal of 100103772 is 277301001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100103771) 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, 4170979 + ... + 4171002.

Almost surely, 2^100103772 is an apocalyptic number.

100103772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100103772 is an abundant number, since it is smaller than the sum of its proper divisors (133471724).

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

100103772 is a wasteful number, since it uses less digits than its factorization.

100103772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341988 (or 8341986 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 100103772 is about 10005.1872546195. The cubic root of 100103772 is about 464.3193835082.

Adding to 100103772 its reverse (277301001), we get a palindrome (377404773).

The spelling of 100103772 in words is "one hundred million, one hundred three thousand, seven hundred seventy-two".