101525240 has 16 divisors (see below), whose sum is σ = 228431880. Its totient is φ = 40610080.

The previous prime is 101525231. The next prime is 101525267. The reversal of 101525240 is 42525101.

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

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 3 ways as a sum of consecutive naturals, for example, 1269026 + ... + 1269105.

Almost surely, 2^101525240 is an apocalyptic number.

101525240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101525240 is an abundant number, since it is smaller than the sum of its proper divisors (126906640).

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

101525240 is a wasteful number, since it uses less digits than its factorization.

101525240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538142 (or 2538138 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 101525240 is about 10075.9734021086. The cubic root of 101525240 is about 466.5068318837.

The spelling of 101525240 in words is "one hundred one million, five hundred twenty-five thousand, two hundred forty".