120420741 has 16 divisors (see below), whose sum is σ = 194292864. Its totient is φ = 64763904.

The previous prime is 120420739. The next prime is 120420749. The reversal of 120420741 is 147024021.

It is a happy number.

It is not a de Polignac number, because 120420741 - 2¹ = 120420739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120420749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168300 + ... + 169013.

It is an arithmetic number, because the mean of its divisors is an integer number (12143304).

Almost surely, 2^120420741 is an apocalyptic number.

It is an amenable number.

120420741 is a deficient number, since it is larger than the sum of its proper divisors (73872123).

120420741 is a wasteful number, since it uses less digits than its factorization.

120420741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337340.

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

The square root of 120420741 is about 10973.6384576858. The cubic root of 120420741 is about 493.8182071879.

Adding to 120420741 its reverse (147024021), we get a palindrome (267444762).

It can be divided in two parts, 1204 and 20741, that added together give a triangular number (21945 = T₂₀₉).

The spelling of 120420741 in words is "one hundred twenty million, four hundred twenty thousand, seven hundred forty-one".