120623144 has 8 divisors (see below), whose sum is σ = 226168410. Its totient is φ = 60311568.

The previous prime is 120623137. The next prime is 120623147. The reversal of 120623144 is 441326021.

It can be written as a sum of positive squares in only one way, i.e., 87422500 + 33200644 = 9350^2 + 5762^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (120623147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7538939 + ... + 7538954.

Almost surely, 2^120623144 is an apocalyptic number.

It is an amenable number.

120623144 is a deficient number, since it is larger than the sum of its proper divisors (105545266).

120623144 is a wasteful number, since it uses less digits than its factorization.

120623144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15077899 (or 15077895 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 120623144 is about 10982.8568232496. The cubic root of 120623144 is about 494.0947219567.

Adding to 120623144 its reverse (441326021), we get a palindrome (561949165).

The spelling of 120623144 in words is "one hundred twenty million, six hundred twenty-three thousand, one hundred forty-four".