101870628 has 48 divisors (see below), whose sum is σ = 251267520. Its totient is φ = 32033664.

The previous prime is 101870627. The next prime is 101870641. The reversal of 101870628 is 826078101.

It is a happy number.

It is a super-2 number, since 2×101870628² = 20755249698228768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101870621) 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, 62350 + ... + 63962.

It is an arithmetic number, because the mean of its divisors is an integer number (5234740).

Almost surely, 2^101870628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101870628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125633760).

101870628 is an abundant number, since it is smaller than the sum of its proper divisors (149396892).

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

101870628 is a wasteful number, since it uses less digits than its factorization.

101870628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916 (or 1914 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 101870628 is about 10093.0980377682. The cubic root of 101870628 is about 467.0352505309.

The spelling of 101870628 in words is "one hundred one million, eight hundred seventy thousand, six hundred twenty-eight".