107220144 has 20 divisors (see below), whose sum is σ = 276985496. Its totient is φ = 35740032.

The previous prime is 107220133. The next prime is 107220187. The reversal of 107220144 is 441022701.

It is a happy number.

It is a super-2 number, since 2×107220144² = 22992318558761472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 107220144.

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, 1116829 + ... + 1116924.

Almost surely, 2^107220144 is an apocalyptic number.

It is an amenable number.

107220144 is an abundant number, since it is smaller than the sum of its proper divisors (169765352).

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

107220144 is a wasteful number, since it uses less digits than its factorization.

107220144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233764 (or 2233758 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 107220144 is about 10354.7160270091. The cubic root of 107220144 is about 475.0713008387.

Adding to 107220144 its reverse (441022701), we get a palindrome (548242845).

The spelling of 107220144 in words is "one hundred seven million, two hundred twenty thousand, one hundred forty-four".