101490500 has 24 divisors (see below), whose sum is σ = 221656344. Its totient is φ = 40596000.

The previous prime is 101490481. The next prime is 101490503. The reversal of 101490500 is 5094101.

It can be written as a sum of positive squares in 4 ways, for example, as 13017664 + 88472836 = 3608^2 + 9406^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (101490503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100991 + ... + 101990.

It is an arithmetic number, because the mean of its divisors is an integer number (9235681).

Almost surely, 2^101490500 is an apocalyptic number.

101490500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101490500 is an abundant number, since it is smaller than the sum of its proper divisors (120165844).

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

101490500 is a wasteful number, since it uses less digits than its factorization.

101490500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203000 (or 202988 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 101490500 is about 10074.2493516887. The cubic root of 101490500 is about 466.4536159011.

The spelling of 101490500 in words is "one hundred one million, four hundred ninety thousand, five hundred".