120420850 has 24 divisors (see below), whose sum is σ = 244345968. Its totient is φ = 43789200.

The previous prime is 120420821. The next prime is 120420857. The reversal of 120420850 is 58024021.

It is a super-2 number, since 2×120420850² = 29002362229445000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (120420857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108924 + ... + 110023.

It is an arithmetic number, because the mean of its divisors is an integer number (10181082).

Almost surely, 2^120420850 is an apocalyptic number.

120420850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120420850 is an abundant number, since it is smaller than the sum of its proper divisors (123925118).

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

120420850 is a wasteful number, since it uses less digits than its factorization.

120420850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218970 (or 218965 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 120420850 is about 10973.6434241322. The cubic root of 120420850 is about 493.8183561827.

Adding to 120420850 its reverse (58024021), we get a palindrome (178444871).

The spelling of 120420850 in words is "one hundred twenty million, four hundred twenty thousand, eight hundred fifty".