120000491940 has 96 divisors (see below), whose sum is σ = 386301210624. Its totient is φ = 27264424320.

The previous prime is 120000491929. The next prime is 120000491953. The reversal of 120000491940 is 49194000021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 120000491898 and 120000491907.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 785296 + ... + 925575.

It is an arithmetic number, because the mean of its divisors is an integer number (4023970944).

Almost surely, 2^120000491940 is an apocalyptic number.

120000491940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120000491940 is an abundant number, since it is smaller than the sum of its proper divisors (266300718684).

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

120000491940 is a wasteful number, since it uses less digits than its factorization.

120000491940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711057 (or 1711055 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

Adding to 120000491940 its reverse (49194000021), we get a palindrome (169194491961).

The spelling of 120000491940 in words is "one hundred twenty billion, four hundred ninety-one thousand, nine hundred forty".