999124461 has 12 divisors (see below), whose sum is σ = 1443881088. Its totient is φ = 665759304.

The previous prime is 999124453. The next prime is 999124463. The reversal of 999124461 is 164421999.

It is not a de Polignac number, because 999124461 - 2³ = 999124453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999124463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6615 + ... + 45188.

It is an arithmetic number, because the mean of its divisors is an integer number (120323424).

Almost surely, 2^999124461 is an apocalyptic number.

It is an amenable number.

999124461 is a deficient number, since it is larger than the sum of its proper divisors (444756627).

999124461 is a wasteful number, since it uses less digits than its factorization.

999124461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53952 (or 53949 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 999124461 is about 31608.9300831268. The cubic root of 999124461 is about 999.7080684509.

The spelling of 999124461 in words is "nine hundred ninety-nine million, one hundred twenty-four thousand, four hundred sixty-one".