491062122 has 32 divisors (see below), whose sum is σ = 1092692160. Its totient is φ = 163470960.

The previous prime is 491062111. The next prime is 491062123. The reversal of 491062122 is 221260194.

491062122 is a `hidden beast` number, since 4 + 9 + 10 + 621 + 22 = 666.

It is a super-2 number, since 2×491062122² = 482284015326285768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (491062123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38188 + ... + 49400.

It is an arithmetic number, because the mean of its divisors is an integer number (34146630).

Almost surely, 2^491062122 is an apocalyptic number.

491062122 is an abundant number, since it is smaller than the sum of its proper divisors (601630038).

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

491062122 is a wasteful number, since it uses less digits than its factorization.

491062122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12035 (or 12029 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 491062122 is about 22159.9215251318. The cubic root of 491062122 is about 788.9427303051.

The spelling of 491062122 in words is "four hundred ninety-one million, sixty-two thousand, one hundred twenty-two".