100630427 has 4 divisors (see below), whose sum is σ = 102009000. Its totient is φ = 99251856.

The previous prime is 100630423. The next prime is 100630457. The reversal of 100630427 is 724036001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100630427 - 2² = 100630423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100630423) 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, 689177 + ... + 689322.

It is an arithmetic number, because the mean of its divisors is an integer number (25502250).

Almost surely, 2^100630427 is an apocalyptic number.

100630427 is a deficient number, since it is larger than the sum of its proper divisors (1378573).

100630427 is an equidigital number, since it uses as much as digits as its factorization.

100630427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378572.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 100630427 is about 10031.4718262078. The cubic root of 100630427 is about 465.1322351016.

Adding to 100630427 its reverse (724036001), we get a palindrome (824666428).

The spelling of 100630427 in words is "one hundred million, six hundred thirty thousand, four hundred twenty-seven".