101006390 has 8 divisors (see below), whose sum is σ = 181811520. Its totient is φ = 40402552.

The previous prime is 101006359. The next prime is 101006417. The reversal of 101006390 is 93600101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050310 + ... + 5050329.

It is an arithmetic number, because the mean of its divisors is an integer number (22726440).

Almost surely, 2^101006390 is an apocalyptic number.

101006390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101006390 is a deficient number, since it is larger than the sum of its proper divisors (80805130).

101006390 is a wasteful number, since it uses less digits than its factorization.

101006390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100646.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 101006390 is about 10050.1935304749. The cubic root of 101006390 is about 465.7107717913.

Adding to 101006390 its reverse (93600101), we get a palindrome (194606491).

The spelling of 101006390 in words is "one hundred one million, six thousand, three hundred ninety".