100626047 has 4 divisors (see below), whose sum is σ = 102004560. Its totient is φ = 99247536.

The previous prime is 100626041. The next prime is 100626049. The reversal of 100626047 is 740626001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740626001 = 3581 ⋅206821.

It is a cyclic number.

It is not a de Polignac number, because 100626047 - 2⁶ = 100625983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100626041) 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, 689147 + ... + 689292.

It is an arithmetic number, because the mean of its divisors is an integer number (25501140).

Almost surely, 2^100626047 is an apocalyptic number.

100626047 is a deficient number, since it is larger than the sum of its proper divisors (1378513).

100626047 is an equidigital number, since it uses as much as digits as its factorization.

100626047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378512.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 100626047 is about 10031.2535109028. The cubic root of 100626047 is about 465.1254866167.

The spelling of 100626047 in words is "one hundred million, six hundred twenty-six thousand, forty-seven".