124312021146 has 24 divisors (see below), whose sum is σ = 273758169204. Its totient is φ = 40758039360.

The previous prime is 124312021133. The next prime is 124312021153. The reversal of 124312021146 is 641120213421.

124312021146 is a `hidden beast` number, since 12 + 431 + 2 + 0 + 211 + 4 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 111579381225 + 12732639921 = 334035^2 + 112839^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56607291 + ... + 56609486.

Almost surely, 2^124312021146 is an apocalyptic number.

124312021146 is an abundant number, since it is smaller than the sum of its proper divisors (149446148058).

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

124312021146 is a wasteful number, since it uses less digits than its factorization.

124312021146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113216846 (or 113216843 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 124312021146 its reverse (641120213421), we get a palindrome (765432234567).

The spelling of 124312021146 in words is "one hundred twenty-four billion, three hundred twelve million, twenty-one thousand, one hundred forty-six".