499961123 has 2 divisors, whose sum is σ = 499961124. Its totient is φ = 499961122.

The previous prime is 499961113. The next prime is 499961167. The reversal of 499961123 is 321169994.

It is a happy number.

It is an a-pointer prime, because the next prime (499961167) can be obtained adding 499961123 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499961123 - 2¹² = 499957027 is a prime.

It is a super-2 number, since 2×499961123² = 499922249022842258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (499961113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249980561 + 249980562.

It is an arithmetic number, because the mean of its divisors is an integer number (249980562).

Almost surely, 2^499961123 is an apocalyptic number.

499961123 is a deficient number, since it is larger than the sum of its proper divisors (1).

499961123 is an equidigital number, since it uses as much as digits as its factorization.

499961123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 44.

The square root of 499961123 is about 22359.8104419514. The cubic root of 499961123 is about 793.6799543207.

The spelling of 499961123 in words is "four hundred ninety-nine million, nine hundred sixty-one thousand, one hundred twenty-three".