100420766 has 8 divisors (see below), whose sum is σ = 151087224. Its totient is φ = 50058360.

The previous prime is 100420763. The next prime is 100420813. The reversal of 100420766 is 667024001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100420763) 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, 75185 + ... + 76508.

It is an arithmetic number, because the mean of its divisors is an integer number (18885903).

Almost surely, 2^100420766 is an apocalyptic number.

100420766 is a deficient number, since it is larger than the sum of its proper divisors (50666458).

100420766 is a wasteful number, since it uses less digits than its factorization.

100420766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152026.

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

The square root of 100420766 is about 10021.0162159334. The cubic root of 100420766 is about 464.8089800059.

Adding to 100420766 its reverse (667024001), we get a palindrome (767444767).

The spelling of 100420766 in words is "one hundred million, four hundred twenty thousand, seven hundred sixty-six".