499999122 has 32 divisors (see below), whose sum is σ = 1269840000. Its totient is φ = 142856784.

The previous prime is 499999103. The next prime is 499999133. The reversal of 499999122 is 221999994.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660997 + ... + 661752.

It is an arithmetic number, because the mean of its divisors is an integer number (39682500).

Almost surely, 2^499999122 is an apocalyptic number.

499999122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

499999122 is an abundant number, since it is smaller than the sum of its proper divisors (769840878).

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

499999122 is a wasteful number, since it uses less digits than its factorization.

499999122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322767 (or 1322761 counting only the distinct ones).

The product of its digits is 944784, while the sum is 54.

The square root of 499999122 is about 22360.6601423124. The cubic root of 499999122 is about 793.7000614045.

The spelling of 499999122 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, one hundred twenty-two".