100420151 has 4 divisors (see below), whose sum is σ = 108144792. Its totient is φ = 92695512.

The previous prime is 100420147. The next prime is 100420157. The reversal of 100420151 is 151024001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151024001 = 277 ⋅545213.

It is not a de Polignac number, because 100420151 - 2² = 100420147 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 (100420157) 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, 3862301 + ... + 3862326.

It is an arithmetic number, because the mean of its divisors is an integer number (27036198).

Almost surely, 2^100420151 is an apocalyptic number.

100420151 is a deficient number, since it is larger than the sum of its proper divisors (7724641).

100420151 is an equidigital number, since it uses as much as digits as its factorization.

100420151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7724640.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 100420151 is about 10020.9855303757. The cubic root of 100420151 is about 464.8080311380.

Adding to 100420151 its reverse (151024001), we get a palindrome (251444152).

The spelling of 100420151 in words is "one hundred million, four hundred twenty thousand, one hundred fifty-one".