101424040 has 32 divisors (see below), whose sum is σ = 241629480. Its totient is φ = 38182912.

The previous prime is 101424031. The next prime is 101424077. The reversal of 101424040 is 40424101.

It can be written as a sum of positive squares in 4 ways, for example, as 71808676 + 29615364 = 8474^2 + 5442^2 .

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 7 ways as a sum of consecutive naturals, for example, 73897 + ... + 75256.

Almost surely, 2^101424040 is an apocalyptic number.

101424040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101424040 is an abundant number, since it is smaller than the sum of its proper divisors (140205440).

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

101424040 is a wasteful number, since it uses less digits than its factorization.

101424040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149181 (or 149177 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 101424040 is about 10070.9503027271. The cubic root of 101424040 is about 466.3517762328.

Adding to 101424040 its reverse (40424101), we get a palindrome (141848141).

The spelling of 101424040 in words is "one hundred one million, four hundred twenty-four thousand, forty".