101819428 has 12 divisors (see below), whose sum is σ = 178409392. Its totient is φ = 50845320.

The previous prime is 101819411. The next prime is 101819429. The reversal of 101819428 is 824918101.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 101819393 and 101819402.

It is not an unprimeable number, because it can be changed into a prime (101819429) 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, 12450 + ... + 18937.

Almost surely, 2^101819428 is an apocalyptic number.

It is an amenable number.

101819428 is a deficient number, since it is larger than the sum of its proper divisors (76589964).

101819428 is a wasteful number, since it uses less digits than its factorization.

101819428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32202 (or 32200 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 101819428 is about 10090.5613322550. The cubic root of 101819428 is about 466.9569937180.

The spelling of 101819428 in words is "one hundred one million, eight hundred nineteen thousand, four hundred twenty-eight".