101216740 has 12 divisors (see below), whose sum is σ = 212555196. Its totient is φ = 40486688.

The previous prime is 101216737. The next prime is 101216771. The reversal of 101216740 is 47612101.

It can be written as a sum of positive squares in 2 ways, for example, as 28387584 + 72829156 = 5328^2 + 8534^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530399 + ... + 2530438.

It is an arithmetic number, because the mean of its divisors is an integer number (17712933).

Almost surely, 2^101216740 is an apocalyptic number.

101216740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101216740 is an abundant number, since it is smaller than the sum of its proper divisors (111338456).

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

101216740 is a wasteful number, since it uses less digits than its factorization.

101216740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060846 (or 5060844 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 101216740 is about 10060.6530603137. The cubic root of 101216740 is about 466.0338349689.

Adding to 101216740 its reverse (47612101), we get a palindrome (148828841).

It can be divided in two parts, 10121 and 6740, that added together give a palindrome (16861).

The spelling of 101216740 in words is "one hundred one million, two hundred sixteen thousand, seven hundred forty".