101490885 has 24 divisors (see below), whose sum is σ = 178806264. Its totient is φ = 53239680.

The previous prime is 101490877. The next prime is 101490887. The reversal of 101490885 is 588094101.

It can be written as a sum of positive squares in 4 ways, for example, as 2169729 + 99321156 = 1473^2 + 9966^2 .

It is not a de Polignac number, because 101490885 - 2³ = 101490877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101490887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15742 + ... + 21231.

It is an arithmetic number, because the mean of its divisors is an integer number (7450261).

Almost surely, 2^101490885 is an apocalyptic number.

101490885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101490885 is a deficient number, since it is larger than the sum of its proper divisors (77315379).

101490885 is a wasteful number, since it uses less digits than its factorization.

101490885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37045 (or 37042 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 101490885 is about 10074.2684597940. The cubic root of 101490885 is about 466.4542057245.

The spelling of 101490885 in words is "one hundred one million, four hundred ninety thousand, eight hundred eighty-five".