101580426 has 16 divisors (see below), whose sum is σ = 225734400. Its totient is φ = 33860124.

The previous prime is 101580407. The next prime is 101580461. The reversal of 101580426 is 624085101.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 101580426.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940506 + ... + 940613.

It is an arithmetic number, because the mean of its divisors is an integer number (14108400).

Almost surely, 2^101580426 is an apocalyptic number.

101580426 is an abundant number, since it is smaller than the sum of its proper divisors (124153974).

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

101580426 is a wasteful number, since it uses less digits than its factorization.

101580426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881130 (or 1881124 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 101580426 is about 10078.7115247932. The cubic root of 101580426 is about 466.5913428314.

The spelling of 101580426 in words is "one hundred one million, five hundred eighty thousand, four hundred twenty-six".