101679420 has 48 divisors (see below), whose sum is σ = 289537920. Its totient is φ = 26654016.

The previous prime is 101679419. The next prime is 101679421. The reversal of 101679420 is 24976101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101679419) and next prime (101679421).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101679421) 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, 10822 + ... + 17901.

It is an arithmetic number, because the mean of its divisors is an integer number (6032040).

Almost surely, 2^101679420 is an apocalyptic number.

101679420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101679420 is an abundant number, since it is smaller than the sum of its proper divisors (187858500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101679420 is a wasteful number, since it uses less digits than its factorization.

101679420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28794 (or 28792 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 101679420 is about 10083.6213732964. The cubic root of 101679420 is about 466.7428639751.

The spelling of 101679420 in words is "one hundred one million, six hundred seventy-nine thousand, four hundred twenty".