101603390 has 32 divisors (see below), whose sum is σ = 221310144. Its totient is φ = 32785920.

The previous prime is 101603377. The next prime is 101603413. The reversal of 101603390 is 93306101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41501 + ... + 43880.

It is an arithmetic number, because the mean of its divisors is an integer number (6915942).

Almost surely, 2^101603390 is an apocalyptic number.

101603390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101603390 is an abundant number, since it is smaller than the sum of its proper divisors (119706754).

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

101603390 is a wasteful number, since it uses less digits than its factorization.

101603390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85412.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 101603390 is about 10079.8506933387. The cubic root of 101603390 is about 466.6265005112.

Adding to 101603390 its reverse (93306101), we get a palindrome (194909491).

The spelling of 101603390 in words is "one hundred one million, six hundred three thousand, three hundred ninety".