2123601246 has 64 divisors (see below), whose sum is σ = 5246115840. Its totient is φ = 632331360.

The previous prime is 2123601209. The next prime is 2123601269. The reversal of 2123601246 is 6421063212.

2123601246 is a `hidden beast` number, since 2 + 12 + 3 + 601 + 2 + 46 = 666.

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

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 27030 + ... + 70553.

It is an arithmetic number, because the mean of its divisors is an integer number (81970560).

Almost surely, 2^2123601246 is an apocalyptic number.

2123601246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2123601246 is an abundant number, since it is smaller than the sum of its proper divisors (3122514594).

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

2123601246 is a wasteful number, since it uses less digits than its factorization.

2123601246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97638 (or 97632 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2123601246 is about 46082.5481717320. The cubic root of 2123601246 is about 1285.3586478911.

Adding to 2123601246 its reverse (6421063212), we get a palindrome (8544664458).

The spelling of 2123601246 in words is "two billion, one hundred twenty-three million, six hundred one thousand, two hundred forty-six".