101208040 has 16 divisors (see below), whose sum is σ = 227718180. Its totient is φ = 40483200.

The previous prime is 101208031. The next prime is 101208053. The reversal of 101208040 is 40802101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82700836 + 18507204 = 9094^2 + 4302^2 .

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, 1265061 + ... + 1265140.

Almost surely, 2^101208040 is an apocalyptic number.

101208040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101208040 is an abundant number, since it is smaller than the sum of its proper divisors (126510140).

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

101208040 is a wasteful number, since it uses less digits than its factorization.

101208040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530212 (or 2530208 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 101208040 is about 10060.2206735240. The cubic root of 101208040 is about 466.0204820705.

The spelling of 101208040 in words is "one hundred one million, two hundred eight thousand, forty".