100030755 has 16 divisors (see below), whose sum is σ = 174599424. Its totient is φ = 48499680.

The previous prime is 100030753. The next prime is 100030781. The reversal of 100030755 is 557030001.

It is a happy number.

It is not a de Polignac number, because 100030755 - 2¹ = 100030753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100030753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302959 + ... + 303288.

It is an arithmetic number, because the mean of its divisors is an integer number (10912464).

Almost surely, 2^100030755 is an apocalyptic number.

100030755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100030755 is a deficient number, since it is larger than the sum of its proper divisors (74568669).

100030755 is a wasteful number, since it uses less digits than its factorization.

100030755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606266.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 100030755 is about 10001.5376317844. The cubic root of 100030755 is about 464.2064625055.

Adding to 100030755 its reverse (557030001), we get a palindrome (657060756).

The spelling of 100030755 in words is "one hundred million, thirty thousand, seven hundred fifty-five".