491964124 has 12 divisors (see below), whose sum is σ = 862107400. Its totient is φ = 245647728.

The previous prime is 491964101. The next prime is 491964133. The reversal of 491964124 is 421469194.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80259 + ... + 86170.

Almost surely, 2^491964124 is an apocalyptic number.

It is an amenable number.

491964124 is a deficient number, since it is larger than the sum of its proper divisors (370143276).

491964124 is a wasteful number, since it uses less digits than its factorization.

491964124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167172 (or 167170 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 491964124 is about 22180.2642905805. The cubic root of 491964124 is about 789.4254884041.

The spelling of 491964124 in words is "four hundred ninety-one million, nine hundred sixty-four thousand, one hundred twenty-four".