1123021201246 has 64 divisors (see below), whose sum is σ = 2072540574720. Its totient is φ = 446240067840.

The previous prime is 1123021201243. The next prime is 1123021201279. The reversal of 1123021201246 is 6421021203211.

It is a super-2 number, since 2×1123021201246² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123021201246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123021201243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298375 + ... + 1528093.

It is an arithmetic number, because the mean of its divisors is an integer number (32383446480).

Almost surely, 2^{1123021201246} is an apocalyptic number.

1123021201246 is a deficient number, since it is larger than the sum of its proper divisors (949519373474).

1123021201246 is a wasteful number, since it uses less digits than its factorization.

1123021201246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229849.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1123021201246 its reverse (6421021203211), we get a palindrome (7544042404457).

The spelling of 1123021201246 in words is "one trillion, one hundred twenty-three billion, twenty-one million, two hundred one thousand, two hundred forty-six".